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Fencer Vulns
high 8.8

CVE-2018-20235 json

There was an argument injection vulnerability in Atlassian Sourcetree for Windows from version 0.5a before version 3.0.15 via filenames in…

published 2019-03-08 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12801

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.7%
EPSS 6.7% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

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.

Patch / fix

  • Atlassian Sourcetree for Windows 3.0.15

Exploit prediction

6.69% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

  • Atlassian Sourcetree for Windows

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.