Permissions, Privileges, and Access Controls in Microsoft Exchange Server - CVE-2022-21978

 

Permissions, Privileges, and Access Controls in Microsoft Exchange Server - CVE-2022-21978

Published: May 11, 2022


Vulnerability identifier: #VU62993
CSH Severity: Low
CVSS v4: 6.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H]
CVE-ID: CVE-2022-21978
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local administrator to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Microsoft Exchange Server, which leads to security restrictions bypass and privilege escalation.


Affected software

Microsoft Exchange Server

How to mitigate CVE-2022-21978

Install updates from vendor's website.


External References

Related Security Bulletins