CVE-2021-31207

Microsoft Exchange Server Security Feature Bypass Vulnerability — Microsoft / Exchange Server

Risk tier: Critical — known ransomware use

Description

Microsoft Exchange Server contains an unspecified vulnerability that allows for security feature bypass.

NVD enrichment (full description, CVSS vector, CWEs) has not completed for this CVE yet — shown above is the CISA KEV short description only.

Scoring

  • CVSS: Not yet available
  • EPSS exploitation probability: Not yet available
  • EPSS percentile: Not yet available

CISA KEV status

  • Added to KEV: 2021-11-03
  • Remediation due date: 2021-11-17
  • Known ransomware campaign use: Known

All exploited vulnerabilities