THREATPORT/VULNERABILITY/CVE-2017-1000116
CRITICAL SEVERITY

CVE-2017-1000116

Mercurial vulnerability

CVSS
9.8
EPSS
5.7%
EPSS pct
92th
Exploited
No known
Mercurial prior to 4.3 did not adequately sanitize hostnames passed to ssh, leading to possible shell-injection attacks.
Affected vendor
Mercurial
Affected product
Mercurial
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2017-10-05

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low 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 5.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2017-1000116

  • Confirm whether Mercurial Mercurial is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-1000116.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-1000116

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-1000116 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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