CVE-2025-25234 Security feature bypass in Omnissa Unified Access Gateway (UAG)
Attackers can bypass CORS restrictions to access sensitive networks via the Unified Access Gateway.
- 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-2025-25234?
CVE-2025-25234 is a high-severity vulnerability in Omnissa Unified Access Gateway (UAG), published on 17 Apr 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
Omnissa UAG contains a Cross-Origin Resource Sharing (CORS) bypass vulnerability. A malicious actor with network access to UAG may be able to bypass administrator-configured CORS restrictions to gain access to sensitive networks.
Weakness: CWE-942
Which versions are affected by CVE-2025-25234?
It affects 1 product.
Products include Omnissa Unified Access Gateway.
How do I fix CVE-2025-25234?
No fix has been published for CVE-2025-25234 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-25234 being exploited?
There is no known exploitation of CVE-2025-25234 in the wild and no public exploit code.
Sources
Also known as GHSA-7hqv-m3mr-cv2v.