Sensitive-network access via CORS policy bypass
Published Apr 17, 2025 · Updated Apr 17, 2025
CORS bypass in Omnissa Unified Access Gateway 2412 and earlier allows remote attackers to access sensitive networks through UAG. Omnissa has not disclosed the affected request path or the specific origin-validation error that accepts a disallowed cross-origin request. Exploitation requires network access to UAG and user interaction, exposing protected network resources and permitting limited unauthorized changes.
Summary
What happened
CORS bypass in Omnissa Unified Access Gateway 2412 and earlier allows remote attackers to access sensitive networks through UAG. Omnissa has not disclosed the affected request path or the specific origin-validation error that accepts a disallowed cross-origin request. Exploitation requires network access to UAG and user interaction, exposing protected network resources and permitting limited unauthorized changes.
The record
- CVE
- CVE-2025-25234
- Published
- Apr 17, 2025
- Updated
- Apr 17, 2025
- Vendor
- Omnissa
- Product
- Omnissa Unified Access Gateway
- Classifications
- CWE-942
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Apr 17, 2025CVE publishedPublication date reported by the CVE source.
- Apr 17, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=Omnissa Unified Access Gateway 2412 or earlier
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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