[ CVE-2020-17144 · Published 10 Dec 2020 ]
Microsoft Exchange Server Remote Code Execution Vulnerability
Exploited · CISA KEV CVSS 8.4
EPSS 37%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
- EPSS: 37% chance of exploitation in the next 30 days (higher than 98% of CVEs)
[ Description ]Official description
Microsoft Exchange Remote Code Execution Vulnerability
CISA: Microsoft Exchange Server improperly validates cmdlet arguments which allow an attacker to perform remote code execution.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.
- 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-2020-17144PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource