Input validation error in Microsoft Exchange Server - CVE-2023-35368
Published: August 8, 2023
Vulnerability identifier: #VU79166
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-35368
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can access a user's Net-NTLMv2 hash and execute arbitrary code on the system.
Affected software
Microsoft Exchange Server
How to mitigate CVE-2023-35368
Install updates from vendor's website.
Microsoft Exchange Server - addressed in versions 2016 CU23 Aug23SU 15.01.2507.031, 2019 CU12 Aug23SU 15.02.1118.036, 2019 CU13 Aug23SU 15.02.1258.023