Vulnerability identifier: #VU70910
Vulnerability risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Microsoft Exchange Server
Server applications /
Mail servers
Vendor: Microsoft
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improperly imposed security restrictions. A local user can execute arbitrary code with SYSTEM privileges.Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft Exchange Server: 2019 Preview 15.02.0196.000 - 2019 CU12 Nov22SU 15.02.1118.020, 2016 Preview 15.01.0225.016 - 2016 CU23 Nov22SU 15.01.2507.016
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21763
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.