CVE-2018-16118
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.72% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- sophos/sfos
- Source
- cve@mitre.org
EPSS moved from 5.1% on 21 September 2026 to 3.7% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://community.sophos.com/kb/en-us/132637Vendor Advisory
- https://github.com/klsecservices/Advisories/blob/master/KL-SOPHOS-2018-003.mdPatch, Third Party Advisory
- https://www.sophos.com/en-us/legal/sophos-responsible-disclosure-policy.aspxVendor Advisory
- https://community.sophos.com/kb/en-us/132637Vendor Advisory
- https://github.com/klsecservices/Advisories/blob/master/KL-SOPHOS-2018-003.mdPatch, Third Party Advisory
- https://www.sophos.com/en-us/legal/sophos-responsible-disclosure-policy.aspxVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.