Vulnerability identifier: #VU72173
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/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-94
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft Exchange Server
Server applications /
Mail servers
Vendor: Microsoft
Description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation. A remote user can send a specially crafted request and execute arbitrary code in the context of the server's account.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft Exchange Server: 2019 Preview 15.02.0196.000 - 2019 CU12 Jan23SU 15.02.1118.021, 2013 RTM 15.00.0516.032 - 2013 CU23 Jan23SU 15.00.1497.045, 2016 Preview 15.01.0225.016 - 2016 CU23 Jan23SU 15.01.2507.017
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21707
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.