CVE-2021-42321
Microsoft Exchange Server Remote Code Execution Vulnerability
⚠ KEVEPSS 90.4%
Description
An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.
How to fix CVE-2021-42321
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2021-42321 being exploited?
Yes — CVE-2021-42321 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.