Vulnerability in Omnissa Unified Access Gateway (Uag)

CVE-2025-25234

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-25234: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-25234?
CVE-2025-25234 is a high-severity vulnerability in Omnissa Unified Access Gateway (Uag), classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 7.1/10. Published 2025-04-17.
How severe is CVE-2025-25234?
High severity. CVSS v3 base score is 7.1 out of 10.