CVE-2025-20261 Cisco Integrated Management Controller Privilege Escalation Vulnerability
Authenticated attackers can escalate privileges via SSH to access internal services and create administrator accounts on Cisco UCS servers.
- 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-2025-20261?
CVE-2025-20261 is a high-severity vulnerability in Cisco Unified Computing System (Managed), published on 4 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the SSH connection handling of Cisco Integrated Management Controller (IMC) for Cisco UCS B-Series, UCS C-Series, UCS S-Series, and UCS X-Series Servers could allow an authenticated, remote attacker to access internal services with elevated privileges. This vulnerability is due to insufficient restrictions on access to internal services. An attacker with a valid user account could exploit this vulnerability by using crafted syntax when connecting to the Cisco IMC of an affected device through SSH. A successful exploit could allow the attacker to access internal services with elevated privileges, which may allow unauthorized modifications to the system, including the possibility of creating new administrator accounts on the affected device.
Weakness: CWE-923
Which versions are affected by CVE-2025-20261?
How do I fix CVE-2025-20261?
No fix has been published for CVE-2025-20261 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-20261 being exploited?
There is no known exploitation of CVE-2025-20261 in the wild and no public exploit code.
Sources
Also known as GHSA-2vx9-p4fj-xxq6.