THREATPORT/VULNERABILITY/CVE-2018-16118
HIGH SEVERITY

CVE-2018-16118

Sfos vulnerability

CVSS
8.1
EPSS
3.7%
EPSS pct
89th
Exploited
No known
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 vendor
Sophos
Affected product
Sfos
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2019-06-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2018-16118

  • Confirm whether Sophos Sfos is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-16118.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-16118

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-16118 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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