How severe is CVE-2021-21975?

CVE-2021-21975 has a CVSS 3.1 base score of 9.8 (CRITICAL). EPSS estimates a 78.3% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2021-21975: VMware Server Side Request Forgery in vRealize

CISA Known Exploited Vulnerabilities

VMware Server Side Request Forgery in vRealize Operations Manager API is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-01-18

Remediation due

2022-02-01

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2021-21975

Description

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.

Severity

CVSS 3.1 · CISA9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
-	VMware vRealize Operations	VMware vRealize Operations prior to 8.4

References

2 Links

Other references

Record Details

Published

2021-03-31

Last updated

2026-10-01

Assigner (CNA)

vmware

Credited to

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