CVE-2025-20334 Command injection in Cisco IOS XE Software
Remote attackers can execute arbitrary root commands via HTTP API input validation flaws in Cisco IOS XE, requiring admin access or user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-20334?
CVE-2025-20334 is a high-severity command injection vulnerability in Cisco IOS XE Software, published on 24 Sep 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in the HTTP API subsystem of Cisco IOS XE Software could allow a remote attacker to inject commands that will execute with root privileges into the underlying operating system. This vulnerability is due to insufficient input validation. An attacker with administrative privileges could exploit this vulnerability by authenticating to an affected system and performing an API call with crafted input. Alternatively, an unauthenticated attacker could persuade a legitimate user with administrative privileges who is currently logged in to the system to click a crafted link. A successful exploit could allow the attacker to execute arbitrary commands as the root user.
Weakness: CWE-77
Which versions are affected by CVE-2025-20334?
How do I fix CVE-2025-20334?
No fix has been published for CVE-2025-20334 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-20334 being exploited?
There is no known exploitation of CVE-2025-20334 in the wild and no public exploit code.
Sources
Also known as GHSA-gm2m-9c24-v5ff.