CVE

CVE-2021-31207

P1⬤ KNOWN RANSOMWARE USE

Microsoft Exchange Server Security Feature Bypass Vulnerability

Microsoft · Exchange Server

Date added (CISA)

2021-11-03

Remediation due

2021-11-17

Known ransomware use

Yes

Remediation priority

P1 — known ransomware use · past CISA due date

ATT&CK mapping

How this CVE is exploited or what it enables, from the CTID Mappings Explorer.