A shell escape vulnerability in /webconsole/APIController in the API Configuration…
Priority MEDIUM 42CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
A shell escape vulnerability in /webconsole/APIController in the API Configuration component of Sophos XG firewall 17.0.8 MR-8 allows remote attackers to execute arbitrary OS commands via shell metachracters in the "X-Forwarded-for" HTTP header.
Why it matters now
EPSS 0.03724 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sophos:sfos:*:*:*:*:*:*:*:* | up to 16.0 | Vulnerable | Sophos |
| cpe:2.3:o:sophos:sfos:16.5:*:*:*:*:*:*:* | 16.5 | Vulnerable | Sophos |
| cpe:2.3:o:sophos:sfos:17.0:*:*:*:*:*:*:* | 17.0 | Vulnerable | Sophos |
| cpe:2.3:o:sophos:sfos:17.0.8:mr8:*:*:*:*:*:* | 17.0.8 mr8 | Vulnerable | Sophos |
| cpe:2.3:o:sophos:sfos:17.1:*:*:*:*:*:*:* | 17.1 | Vulnerable | Sophos |
| cpe:2.3:h:sophos:xg_firewall:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Sophos |
- cpe:2.3:o:sophos:sfos:*:*:*:*:*:*:*:* Versions up to 16.0 Vulnerable ·Sophos
- cpe:2.3:o:sophos:sfos:16.5:*:*:*:*:*:*:* Versions 16.5 Vulnerable ·Sophos
- cpe:2.3:o:sophos:sfos:17.0:*:*:*:*:*:*:* Versions 17.0 Vulnerable ·Sophos
- cpe:2.3:o:sophos:sfos:17.0.8:mr8:*:*:*:*:*:* Versions 17.0.8 mr8 Vulnerable ·Sophos
- cpe:2.3:o:sophos:sfos:17.1:*:*:*:*:*:*:* Versions 17.1 Vulnerable ·Sophos
- cpe:2.3:h:sophos:xg_firewall:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Sophos
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16118
- 2026-10-03 Alias added: GHSA-hv57-j9mh-h2r7
References
More Sophos Sfos vulnerabilities
- TI-2022-00937 An authentication bypass vulnerability in the User Portal and Webadmin allows a remote… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-09803 A SQL injection issue was found in SFOS 17.0, 17.1, 17.5, and 18.0 before 2020-04-25 on… KEVCVSS 3.1CRITICAL 9.8
- TI-2018-11527 A shell escape vulnerability in /webconsole/Controller in Admin Portal of Sophos XG… CVSS 3.1HIGH 8.8
- TI-2020-09226 A heap-based buffer overflow in the awarrensmtp component of Sophos XG Firewall v17.5… CVSS 3.1CRITICAL 9.8
- TI-2018-11526 SQL injection vulnerability in AccountStatus.jsp in Admin Portal of Sophos XG firewall… CVSS 3.0HIGH 8.8
- TI-2017-13223 An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS… CVSS 3.0MEDIUM 6.1
Sources
- CVE-2018-16118 · CVE Program
- CVE-2018-16118 · NVD
- FIRST EPSS
- GHSA-hv57-j9mh-h2r7 · 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