netVigilance Vulnerability intelligence since 2004
CVE-2022-41082 · netVigilance record NV22-0524

Microsoft Exchange Server Remote Code Execution

past due ransomware

What to do

Apply updates per vendor instructions.

CISA deadline 2022-10-21 · passed 3 years 10 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

Microsoft Exchange Server contains an unspecified vulnerability that allows for authenticated remote code execution. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41040 which allows for the remote code execution.

Who is affected

Microsoft Exchange Server. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-502.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 3 years 10 months ago

Sources