CVE-2018-20235

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-08 · updated 2026-06-17

Description

There was an argument injection vulnerability in Atlassian Sourcetree for Windows from version 0.5a before version 3.0.15 via filenames in Mercurial repositories. A remote attacker with permission to commit to a Mercurial repository linked in Sourcetree for Windows is able to exploit this issue to gain code execution on the system.

Affected products

Atlassian Sourcetree for Windows: from 0.5a before 3.0.15 — fixed in 3.0.15

How to fix

Upgrade to a fixed version: Atlassian Sourcetree for Windows 3.0.15. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execution-URL-Handling.html
http://www.securityfocus.com/bid/107407
https://jira.atlassian.com/browse/SRCTREEWIN-11289
https://seclists.org/bugtraq/2019/Mar/30
http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execution-URL-Handling.html
http://www.securityfocus.com/bid/107407
https://jira.atlassian.com/browse/SRCTREEWIN-11289
https://seclists.org/bugtraq/2019/Mar/30

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