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CISA KEV · Known exploitedHigh

CVE-2021-21975

VMware vRealize Operations Manager API

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.

CVSS
7.5
EPSS
78.3%
99.5% percentile
CISA KEV
Listed
Published
2021.04.01
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability78.3%
Technical severityCVSS 7.5

Vulnerability overview

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.

Affected product and versions

Product
VMware vRealize Operations Manager API
Affected versions
VMware vRealize Operations prior to 8.4, 3.0, 3.0.1, 3.0.1.1, 3.5, 3.5.1, 3.7, 3.7.1, 3.7.2, 3.8, 3.8.1, 3.9, 3.9.1, 3.10, 4.0, 4.0.1, 7.0.0, 7.5.0, 8.0.0, 8.0.1
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2022.02.01
  1. 1
    Identify

    Confirm that VMware vRealize Operations Manager API and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-918
KEV added
2022.01.18
Ransomware use
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