VulnerabilityAnalyzed

CVE-2025-25234

Omnissa UAG contains a Cross-Origin Resource Sharing (CORS) bypass vulnerability.

HIGH 7.5EPSS 0.27%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.27% probability · 20th percentile
CISA KEV: Not listed
Weakness: CWE-942
Affected: omnissa/unified access gateway
Source: de5a6978-88fe-4c27-a7df-d0d5b52d5b52

References

https://static.omnissa.com/sites/default/files/OMSA-2025-0002.pdfVendor Advisory
https://www.omnissa.com/omnissa-security-response/Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.