CVE-2022-20859 Cisco Unified Communications Products Access Control Vulnerability
Authenticated attackers with read-only privileges can perform unauthorized administrative actions due to insufficient access control checks in the Disaster Recovery framework.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20859?
CVE-2022-20859 is a medium-severity missing authorization vulnerability in Cisco Unified Communications Manager, published on 6 Jul 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the Disaster Recovery framework of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection could allow an authenticated, remote attacker to perform certain administrative actions they should not be able to. This vulnerability is due to insufficient access control checks on the affected device. An attacker with read-only privileges could exploit this vulnerability by executing a specific vulnerable command on an affected device. A successful exploit could allow the attacker to perform a set of administrative actions they should not be able to.
Weakness: CWE-284
Which versions are affected by CVE-2022-20859?
It affects 3 products.
Products include Cisco Unified Communications Manager, Cisco Unified Communications Manager Im and Presence Service, Cisco Unity Connection.
How do I fix CVE-2022-20859?
No fix has been published for CVE-2022-20859 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2022-20859 being exploited?
There is no known exploitation of CVE-2022-20859 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-vjcc-9q9g-593v.