THREATPORT/VULNERABILITY/CVE-2018-20234
HIGH SEVERITY

CVE-2018-20234

Sourcetree vulnerability

CVSS
8.8
EPSS
5.9%
EPSS pct
92th
Exploited
No known
There was an argument injection vulnerability in Atlassian Sourcetree for macOS from version 1.2 before version 3.1.1 via filenames in Mercurial repositories. A remote attacker with permission to commit to a Mercurial repository linked in Sourcetree for macOS is able to exploit this issue to gain code execution on the system.
Affected vendor
Atlassian
Affected product
Sourcetree
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2019-03-08

Risk analysis

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

Its EPSS score of 5.9% 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-2018-20234

  • Confirm whether Atlassian Sourcetree is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-20234.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-20234

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-20234 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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