What’s Vulnerable › Vulnerabilities

CVE-2018-16118

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-06-20 · updated 2026-06-17
• Weakness: CWE-78

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.

Affected products

• Sophos Firewall: through 16.0; 16.5, 17.0, 17.0.8-mr8, 17.1

References

• https://community.sophos.com/kb/en-us/132637
• https://github.com/klsecservices/Advisories/blob/master/KL-SOPHOS-2018-003.md
• https://www.sophos.com/en-us/legal/sophos-responsible-disclosure-policy.aspx
• https://community.sophos.com/kb/en-us/132637
• https://github.com/klsecservices/Advisories/blob/master/KL-SOPHOS-2018-003.md
• https://www.sophos.com/en-us/legal/sophos-responsible-disclosure-policy.aspx

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