Vulnerability identifier: #VU48283
Vulnerability risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
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 perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft Exchange Server: 2019 Cumulative Update 6 15.02.0659.004 - 2019 Cumulative Update 7 15.02.0721.002, 2016 Cumulative Update 17 15.01.2044.004 - 2016 Cumulative Update 18 15.01.2106.002, 2013 Cumulative Update 23 15.00.1497.002
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17085
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.