CVE-2022-20752 Cisco Unified Communications Products Timing Attack Vulnerability
An unauthenticated remote attacker can determine a sensitive system password by observing response times to queries in Cisco Unified Communications products.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20752?
CVE-2022-20752 is a medium-severity vulnerability in Cisco Unified Communications Manager, published on 6 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to perform a timing attack. This vulnerability is due to insufficient protection of a system password. An attacker could exploit this vulnerability by observing the time it takes the system to respond to various queries. A successful exploit could allow the attacker to determine a sensitive system password.
Which versions are affected by CVE-2022-20752?
It affects 2 products.
Products include Cisco Unified Communications Manager, Cisco Unity Connection.
How do I fix CVE-2022-20752?
No fix has been published for CVE-2022-20752 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-20752 being exploited?
There is no known exploitation of CVE-2022-20752 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Communications Manager
- CVE-2026-20230 Cisco Unified Communications Manager Server-Side Request Forgery (SSRF)
- CVE-2026-20045 Cisco Unified Communications Products Code Injection
- CVE-2025-20309 Cisco Unified Communications Manager Static SSH Credentials Vulnerability
- CVE-2011-1643 Information disclosure in n/a
- CVE-2024-20253 Deserialization in Cisco Packaged Contact Center Enterprise
Sources
Also known as GHSA-mxrp-hmp4-qwv2.