MEDIUM
CVE-2021-31207
CVSS
6.6
KEV
Description
Microsoft Exchange Server Security Feature Bypass Vulnerability
Weakness (CWE)
CWE-434
Unrestricted File Upload
EPSS Score
99.78%
Probability of exploitation in next 30 days
100th percentile
References
http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html
Exploit, Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31207
Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-819/
Third Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31207
US Government Resource
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.