CVE-2025-25234 json
Omnissa UAG contains a Cross-Origin Resource Sharing (CORS) bypass vulnerability.
published 2025-04-17 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-11481
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- omnissa unified_access_gateway 2503
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Omnissa Omnissa Unified Access Gateway (UAG)
Classification
- Weakness
-
- CWE-942 Permissive Cross-domain Security Policy with Untrusted Domains
References
-
static.omnissa.com
/sites/default/files/OMSA-2025-0002.pdf
vendor-advisory
-
omnissa.com
/omnissa-security-response/
vendor-advisory
Sources
- CVE List CVE-2025-25234
- NVD CVE-2025-25234
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