Permissions, Privileges, and Access Controls in Microsoft Exchange Server - CVE-2022-41080
Published: November 8, 2022 / Updated: December 28, 2022
Vulnerability identifier: #VU69097
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-41080
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to application does not properly impose security restrictions. A remote authenticated user can escalate privileges within the Exchange server.
Note, this vulnerability is suspected to be used in a new exploit method bypasses URL rewrite mitigations for the Autodiscover endpoint provided by Microsoft in response to ProxyNotShell.
Affected software
Microsoft Exchange Server
How to mitigate CVE-2022-41080
Install updates from vendor's website.
Microsoft Exchange Server - addressed in versions 2013 CU23 Nov22SU 15.00.1497.044, 2016 CU22 Nov22SU 15.01.2375.037, 2016 CU23 Nov22SU 15.01.2507.016, 2019 CU11 Nov22SU 15.02.0986.036, 2019 CU12 Nov22SU 15.02.1118.020