[ CVE-2021-31196 · Published 14 Jul 2021 ]
Microsoft Exchange Server Information Disclosure Vulnerability
Exploited · CISA KEV CVSS 7.2
EPSS 54%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-08-21
- EPSS: 54% chance of exploitation in the next 30 days (higher than 99% of CVEs)
[ Description ]Official description
Microsoft Exchange Server Remote Code Execution Vulnerability
CISA: Microsoft Exchange Server contains an information disclosure vulnerability that allows for remote code execution.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 11 Sep 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Patch on msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
- Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31196PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource