Cisco Umbrella Secure Web Gateway File Inspection Bypass Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-693.
Summary
A vulnerability in the Cisco Umbrella Secure Web Gateway service could allow an unauthenticated, remote attacker to bypass the file inspection feature. This vulnerability is due to insufficient restrictions in the file inspection feature. An attacker could exploit this vulnerability by downloading a crafted payload through specific methods. A successful exploit could allow the attacker to bypass file inspection protections and download a malicious payload.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-20738
- 2026-10-03 Alias added: GHSA-qm4x-x5rj-qf54
References
More Cisco Umbrella Secure Web Gateway vulnerabilities
- TI-2022-05364 Cisco Umbrella Secure Web Gateway File Decryption Bypass Vulnerability CVSS 3.1MEDIUM 4.1
Sources
- CVE-2022-20738 · CVE Program
- CVE-2022-20738 · NVD
- FIRST EPSS
- GHSA-qm4x-x5rj-qf54 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences