CVE-2023-20266 Privilege escalation in Cisco Emergency Responder
Authenticated remote attackers with admin credentials can elevate privileges to root by providing a crafted upgrade file in Cisco Unified Communications products.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20266?
CVE-2023-20266 is a medium-severity vulnerability in Cisco Unified Communications Manager, published on 30 Aug 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device. This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to elevate privileges to root. To exploit this vulnerability, the attacker must have valid platform administrator credentials on an affected device.
Which versions are affected by CVE-2023-20266?
It affects 3 products.
Products include Cisco Emergency Responder, Cisco Unified Communications Manager, Cisco Unity Connection.
How do I fix CVE-2023-20266?
No fix has been published for CVE-2023-20266 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-20266 being exploited?
There is no known exploitation of CVE-2023-20266 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Communications Manager
Sources
Also known as GHSA-4hj2-qwwr-pxg3.