CASCACascade Atlas

Evidence dossier

CVE-2021-21975

Exploited in the wild (CISA KEV since Jan 18, 2022). NVD reports CVSS 3.1 7.5. EPSS estimates 78.3% exploit likelihood as of Aug 26, 2026.

80.6–81.7Priority evidence range
Evidence current through Aug 27, 2026, 6:09 PM UTC

As of Aug 27, 2026

Normalized restatement

Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.

State
PUBLISHED
Published
Mar 31, 2021
Updated
Oct 21, 2025
Evidence coverage
99%

Evidence chronology

What was known when

Download this view's receipt →
  1. Source dateSource date omittedFirst observed by CASCA
    CISA-ADP

    Record text: CISA ADP Vulnrichment

    Inspect raw assertion
    Field
    container
    Value
    CISA ADP Vulnrichment
    Original evidence ↗
  2. Source dateSource date omittedFirst observed by CASCA
    CVE Program

    Record text: CVE Program Container

    Inspect raw assertion
    Field
    container
    Value
    CVE Program Container
    Original evidence ↗
  3. Source dateSource date omittedFirst observed by CASCA
    vmware

    Record text: Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.

    Inspect raw assertion
    Field
    container
    Value
    Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.
    Original evidence ↗
  4. Source dateFirst observed by CASCA
    CISA KEV

    Exploitation cataloged: VMware Server Side Request Forgery in vRealize Operations Manager API

    Inspect raw assertion
    Field
    observed_exploitation
    Value
    VMware Server Side Request Forgery in vRealize Operations Manager API
    Original evidence ↗
  5. Source dateFirst observed by CASCA
    FIRST EPSS

    EPSS score: 78.29% probability · 99.54th percentile

    Inspect raw assertion
    Field
    model_probability
    Value
    Probability 0.782900000000; percentile 0.995440000000
    Original evidence ↗
ExploitationCatalog member

CISA KEV · catalog date Jan 18, 2022 · first observed Jul 19, 2026

Exploit likelihood78.29%

FIRST EPSS · score date Aug 26, 2026 · 99.5th percentile · first observed Aug 26, 2026

SeverityCVSS 7.5

NVD · CVSS 3.1 · first observed Jul 19, 2026 · same-version scores align in this snapshot

Evidence detail

Source limits and decisions

Why each evidence state has this value

casca-unknown-reasons-v1
Exploitation statusEvidence supported

Eligible evidence is present for this bounded claim.

Revision
evidence-policy-v1.1.0
Cutoff
Aug 27, 2026
Resolution
None
Exploit likelihoodEvidence supported

Eligible evidence is present for this bounded claim.

Revision
evidence-policy-v1.1.0
Cutoff
Aug 27, 2026
Resolution
None
Severity assessmentEvidence supported

Eligible evidence is present for this bounded claim.

Revision
casca-direct-cvss-eligibility-v1
Cutoff
Aug 27, 2026
Resolution
None
Affected productsSource-reported scope

The cited source assertion is retained while canonical product linkage remains open.

Revision
casca-factor-d-obligations-v1
Cutoff
Aug 27, 2026
Resolution
Resolve identity

Source comparison

Who said what

CISA-ADPIndependent enrichment
Record text

CISA ADP Vulnrichment

Inspect raw assertion
Field
container
Value
CISA ADP Vulnrichment
Source dateSource date omittedFirst observed by CASCAOriginal evidence ↗
CVE ProgramDerivative copy
Record text

CVE Program Container

Inspect raw assertion
Field
container
Value
CVE Program Container
Source dateSource date omittedFirst observed by CASCAOriginal evidence ↗
vmwareOriginal assertion
Record text

Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.

Inspect raw assertion
Field
container
Value
Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.
Source dateSource date omittedFirst observed by CASCAOriginal evidence ↗
CISA KEVOriginal assertion
Exploitation cataloged

VMware Server Side Request Forgery in vRealize Operations Manager API

Inspect raw assertion
Field
observed_exploitation
Value
VMware Server Side Request Forgery in vRealize Operations Manager API
Source dateFirst observed by CASCAOriginal evidence ↗
FIRST EPSSOriginal assertion
EPSS score

78.29% probability · 99.54th percentile

Inspect raw assertion
Field
model_probability
Value
Probability 0.782900000000; percentile 0.995440000000
Source dateFirst observed by CASCAOriginal evidence ↗

Applicability

Cited product scope

Trace impact →
27Underlying assertions
3Canonical products
27Target assertions
0Constraint assertions

Grouped from 1 configuration nodes in this exact snapshot. Visual grouping is navigational; asset exposure and root cause require cited evidence.

Identity source boundaries
  • Cpe dictionary1,775,266 records · observed through 2026-07-21T06:45:29.809Z27d65b0f-b718-4b4f-bb79-c47c68d09dfa
  • Cpe match643,502 records · observed through 2026-07-21T08:13:17.697Z955dae73-7302-438b-aee1-058d7cc5d48e

4 scope groups

vmware · source assertedn/aVMware vRealize OperationsDirect source scope
Affected: VMware vRealize Operations prior to 8.4
Source-reported scope

Canonical linkage remains open; the cited source assertion is retained below.

Inspect raw assertion[{"status": "affected", "version": "VMware vRealize Operations prior to 8.4"}]
NVD CPE · APPLICATIONvmwarecloud_foundationVulnerable target · 15 assertions
Version 3.0; Version 3.0.1; Version 3.0.1.1; Version 3.10; Version 3.5; Version 3.5.1; Version 3.7; Version 3.7.1; Version 3.7.2; Version 3.8; Version 3.8.1; Version 3.9; Version 3.9.1; Version 4.0; Version 4.0.1Canonical identity product-29d7e06677052d6292d0854ba656869395ea8e26a3dfe12b466a234813f9d5c3Linked exact
Scope supported
Inspect raw assertions
  1. cpe:2.3:a:vmware:cloud_foundation:3.9:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 10
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    f97ba12f-a60d-4398-9ca8-de2f7bacba8d
  2. cpe:2.3:a:vmware:cloud_foundation:3.10:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 12
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    89656a51-0840-4a27-b05b-7e54b0cf0521
  3. cpe:2.3:a:vmware:cloud_foundation:3.0.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 1
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    36847ad6-88cc-4228-ab4e-5161b381267c
  4. cpe:2.3:a:vmware:cloud_foundation:4.0:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 13
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    38eb0c0c-56cf-4a8f-a36f-e0e180b9059e
  5. cpe:2.3:a:vmware:cloud_foundation:3.5:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 3
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    0bf5cf56-8de1-42f5-9ec1-e5666dd7fa59
  6. cpe:2.3:a:vmware:cloud_foundation:3.8.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 9
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    298b797f-c3b6-445c-aadb-8633b446f10f
  7. cpe:2.3:a:vmware:cloud_foundation:3.0.1.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 2
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    6fc3c214-defc-48d9-8728-31f19095375e
  8. cpe:2.3:a:vmware:cloud_foundation:3.0:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 0
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    6beacd8d-30ef-44fe-839b-da69e6ced23a
  9. cpe:2.3:a:vmware:cloud_foundation:3.9.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 11
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    e19009eb-02d3-424a-947d-7b66efcce422
  10. cpe:2.3:a:vmware:cloud_foundation:3.7.2:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 7
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    3e9ab6ff-d508-42ff-8fb9-24b96ae2f03f
  11. cpe:2.3:a:vmware:cloud_foundation:3.7:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 5
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    8266fd66-3bb6-4720-9d9f-06efb38fa4b6
  12. cpe:2.3:a:vmware:cloud_foundation:4.0.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 14
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    a54544f5-5929-4609-a91c-fca0fdbfe862
  13. cpe:2.3:a:vmware:cloud_foundation:3.8:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 8
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    328785ae-390c-4ca2-9771-4a26387e4e3e
  14. cpe:2.3:a:vmware:cloud_foundation:3.5.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 4
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    36668618-33c3-460a-879b-a9741405c9d0
  15. cpe:2.3:a:vmware:cloud_foundation:3.7.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 6
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    8d4c25d3-bc49-4727-b7a2-28c0f2e647ec
NVD CPE · APPLICATIONvmwarevrealize_operations_managerVulnerable target · 8 assertions
Version 7.0.0; Version 7.5.0; Version 8.0.0; Version 8.0.1; Version 8.1.0; Version 8.1.1; Version 8.2.0; Version 8.3.0Canonical identity product-efff12cdb8f1bc4b1da81ca067d339383b98591301a2de6fdf288fa1335c8edeLinked exact
Scope supported
Inspect raw assertions
  1. cpe:2.3:a:vmware:vrealize_operations_manager:8.0.0:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 17
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    b5f35204-5a57-4086-b782-77a25471f9ea
  2. cpe:2.3:a:vmware:vrealize_operations_manager:8.3.0:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 22
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    c0256d20-63d3-4de9-9637-94033f11fc7c
  3. cpe:2.3:a:vmware:vrealize_operations_manager:8.2.0:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 21
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    7b612fda-4210-44fe-9b5c-f678ea2cd6fd
  4. cpe:2.3:a:vmware:vrealize_operations_manager:7.5.0:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 16
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    6bc6471f-2fb5-4c7a-9b5d-0b08a8e2c08c
  5. cpe:2.3:a:vmware:vrealize_operations_manager:7.0.0:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 15
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    b7985ea2-e167-4bb9-91ca-d57110413b63
  6. cpe:2.3:a:vmware:vrealize_operations_manager:8.1.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 20
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    4fcffa39-f7ea-4065-b0b5-a1e2b120eba0
  7. cpe:2.3:a:vmware:vrealize_operations_manager:8.1.0:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 19
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    76a32960-1c18-4da5-a870-c15c432b6ce3
  8. cpe:2.3:a:vmware:vrealize_operations_manager:8.0.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 18
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    536c689b-f40a-4090-b7f9-3d16c6b2a82c
NVD CPE · APPLICATIONvmwarevrealize_suite_lifecycle_managerVulnerable target · 4 assertions
Version 8.0; Version 8.0.1; Version 8.1; Version 8.2Canonical identity product-4ad001f30ef4cc5afdebb7054af18efd4d2c5adeadb66566d944f7bd4f2faeceLinked exact
Scope supported
Inspect raw assertions
  1. cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.0.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 24
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    a06c29ab-1eaf-43ef-96c3-9e3468911b2f
  2. cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.2:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 26
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    cfb84c30-ee5d-4c15-a74e-7b2b3e0ded4d
  3. cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.0:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 23
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    e3318d91-40ac-4649-8fcd-4557c8f934b9
  4. cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.1:*:*:*:*:*:*:*
    Official link
    Linked exact
    Role
    Vulnerable target
    Configuration
    0 · node/0 · match 25
    Logic
    OR
    Version bounds
    No explicit bounds
    Match ID
    43723ec2-295e-4af7-b654-70f9e42f4807

Affected-product evidence

Accepted scope and product mapping

3 canonical links · 1 source-reported links

Mapping establishedEvidence supported

vendor-6b310233dbc1eceadb11ae200191b71c5a499cd0c4916b064b08d7f851b21f9f · product-29d7e06677052d6292d0854ba656869395ea8e26a3dfe12b466a234813f9d5c3

Source class
Nvd cpe vulnerable target
Assertions
15
Mapping revision
cpe23-exact-mapping-v1
Observed cutoff
Aug 27, 2026
Retained assertion IDs
0bb35cff-4f79-4236-b9db-07b731e13ec10d11f0c2-bc4a-48e4-8c47-295bbf3efa2911f8b39f-0338-4386-b424-34c159f836b812d1d8bc-73aa-43f7-be98-6e8c2c018ad54a18be57-636e-4d22-bedc-13161c40ac7f5f4e9f0f-3cd1-40e2-ae86-130dced7065f8da8ee1e-f51d-4c2f-87e5-cbd59704cf7d9b75fcfd-8669-4e52-a9b3-e3eb8b31ea71a5aae768-80b5-4f67-b29d-1a8dd525a6c4b668af15-93ff-4d83-81df-107673f60a08c3c36ac1-3f2a-4a48-97bf-bb4f39f340b0dae2217f-ca01-4f74-bb60-bef046aa8d2cdf5bef0d-9b1b-4c75-ae11-13051cd2a114e6ad1b1c-e8ab-4107-8b1f-778a1ecdef7ef4ae8dba-67e5-44a8-93d9-175d6a4d67d1
Mapping establishedEvidence supported

vendor-6b310233dbc1eceadb11ae200191b71c5a499cd0c4916b064b08d7f851b21f9f · product-4ad001f30ef4cc5afdebb7054af18efd4d2c5adeadb66566d944f7bd4f2faece

Source class
Nvd cpe vulnerable target
Assertions
4
Mapping revision
cpe23-exact-mapping-v1
Observed cutoff
Aug 27, 2026
Retained assertion IDs
9569db87-0963-4513-a536-20b2be4c97f1b0142abb-dd50-4906-b56a-a09af6a9270bbf233d53-3ad6-4efe-96c9-f145f72c7b81e282de4b-d219-4a30-b35e-73aac564d56f
Mapping establishedEvidence supported

vendor-6b310233dbc1eceadb11ae200191b71c5a499cd0c4916b064b08d7f851b21f9f · product-efff12cdb8f1bc4b1da81ca067d339383b98591301a2de6fdf288fa1335c8ede

Source class
Nvd cpe vulnerable target
Assertions
8
Mapping revision
cpe23-exact-mapping-v1
Observed cutoff
Aug 27, 2026
Retained assertion IDs
06ef7f74-cc03-4da9-a312-435b9a1ec49d236c7960-1d00-479e-b9cd-d3cc420d1bef3c6ce9cb-f6c5-4474-b834-aee137775c375207702f-c055-4e31-9f6c-2d7bffa691a2a2baf2b9-8b6b-4a50-bc08-a591e162209da8788d7c-4a38-405d-94dc-b88ecda5e794def6da6f-b730-473c-bda9-9c8cda73cf3aed96b186-edc1-42ae-baa6-5bf08e1b1691
Source-reported scopeSource-reported scope

Canonical linkage remains open; the cited source assertion is retained below.

Vendor specified only by source · Product specified only by source

Source class
Direct cve affected
Assertions
1
Mapping revision
cpe23-exact-mapping-v1
Observed cutoff
Aug 27, 2026
Retained assertion IDs
4a1a4c5a-c073-4295-8355-c70825d4deaa

Assessments

CVSS by origin

7.5
NVDCVSS 3.1 · role Primary · priority eligiblevalid_matchCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.0
NVDCVSS 2.0 · role Primary · priority eligiblevalid_matchAV:N/AC:L/Au:N/C:P/I:N/A:N
7.5
CVE Program sourceCVSS 3.1 · role Secondary · priority eligiblevalid_matchCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5
CISA-ADPCVSS 3.1 · role unknown · display onlyDirect record assessment retained outside normalized eligibilityCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Direct CVE/CNA normalized decisions

7.5Priority eligible

CISA-ADP

CVSS 3.1 · Secondary · Independent enrichment · rank 2

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Validation
Valid match
Recomputed
7.5
Decision reason
Evidence supported
Policy
casca-direct-cvss-eligibility-v1

Assessments are retained side by side under closed precedence. Cascade never averages CVSS.

Evidence boundaries

  • KEV membership is authoritative for the catalog, not proof of exposure in any environment.
  • EPSS is a dated model probability and not an individual-environment prediction.
  • Affected or fixed status applies only to the exact cited product and version scope; remaining scope stays source-scoped.
  • NVD-carried upstream facts remain derivative; independent corroboration requires a separately authored source.
  • Only NVD metrics validated under the generation-bound calculator are Public Priority eligible; direct CVE record metrics remain display-only.
  • NVD CVSS source eligibility is closed: NVD-authored, exact record-source, or registered same-CVE container origin; unmapped sources remain display-only.
  • Core replay supports the active and immediately prior generation; retrospective valid-at replay is deferred.
  • OSV aggregation and OSV-converted NVD material are not independent corroboration.
  • Red Hat facts are vendor assertions for the exact supplied products.
  • Nonmembership and not-yet-observed states are not proof of safety.