Command injection in Sophos Web Appliance
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
A pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3.10.4 allows execution of arbitrary code.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Sophos Web Appliance (Sophos) Fixed in 4.3.10.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Sophos Web Appliance 4.3.10.4
3 records Highest priority Priority CRITICAL 1 CRITICAL, 2 LOW
Other records, highest priority first
- TI-2022-04525 Command injection in Sophos Web AppliancePriority LOW 37
- TI-2020-18864 Cross-site scripting in Sophos Web AppliancePriority LOW 30
Timeline
- 2023-11-16 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2023-1671
- 2026-10-03 Alias added: GHSA-5f37-m2hf-qphr
References
More Sophos Web Appliance vulnerabilities
- TI-2014-02285 The Change Password dialog box (change_password) in Sophos Web Appliance before 3.8.2… CVSS 2.0HIGH 8.5
- TI-2014-02286 The network interface configuration page (netinterface) in Sophos Web Appliance before… CVSS 2.0HIGH 8.5
- TI-2013-02325 Directory traversal vulnerability in patience.cgi in Sophos Web Appliance before 3.7.8.2… CVSS 2.0MEDIUM 5.0
- TI-2017-04046 In Sophos Web Appliance (SWA) before 4.3.1.2, a section of the machine's interface… CVSS 3.0CRITICAL 9.8
- TI-2023-16494 Reflected cross site scripting (XSS) vulnerability was discovered in Sophos Web Appliance… CVSS 3.1MEDIUM 4.8
- TI-2016-07777 The Sophos Web Appliance Remote / Secure Web Gateway server (version 4.2.1.3) is… CVSS 3.0HIGH 7.2
Sources
- CVE-2023-1671 · CVE Program
- CVE-2023-1671 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-5f37-m2hf-qphr · 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