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Known exploited vulnerability

CVE-2021-21975

highCVSS 3.1 7.5In CISA KEVRansomwareEPSS 78%Published · n/a

The short answer

CVE-2021-21975 affects n/a VMware vRealize Operations and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-01-18: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-918.

Severity

7.5 high

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

Exploited (CISA KEV)

Yes, since Jan 18, 2022

Federal due date Feb 1, 2022

EPSS, next 30 days

78%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

What CISA says to do

Apply updates per vendor instructions.

Affected products

VMware vRealize Operations. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2021-21975 being exploited?

Yes. CISA added CVE-2021-21975 to its Known Exploited Vulnerabilities catalog on 2022-01-18, with a federal remediation due date of 2022-02-01. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2021-21975?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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