MEDIUM CISA KEV
CVE-2021-31955
CVSS v3
5.5
MEDIUM
EPSS Score
4.6 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Windows Kernel Information Disclosure Vulnerability
CISA Known Exploited Vulnerability
- Date Added
- 2021-11-03
- Patch Due Date
- 2021-11-17
- Ransomware Use
- Unknown
Technical details
- Published
- 2021-06-08
Frequently asked questions
What is CVE-2021-31955?
Windows Kernel Information Disclosure Vulnerability
Is CVE-2021-31955 actively exploited?
Yes. CVE-2021-31955 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2021-11-17.
What is the CVSS score for CVE-2021-31955?
CVE-2021-31955 has a CVSS v3 base score of 5.5 (MEDIUM severity).
Is CVE-2021-31955 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
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