HOMEVULNERABILITIESCVE-2018-20236
HIGH

CVE-2018-20236

CWE-77Published: March 8, 2019· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

There was an command injection vulnerability in Sourcetree for Windows from version 0.5a before version 3.0.10 via URI handling. A remote attacker could send a malicious URI to a victim using Sourcetree for Windows to exploit this issue to gain code execution on the system.

NVD Source

Technical Analysis

CVE-2018-20236 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Atlassian1 product(s)
sourcetree
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/107401
ADVISORYhttps://jira.atlassian.com/browse/SRCTREEWIN-11291
ADVISORYhttp://www.securityfocus.com/bid/107401
ADVISORYhttps://jira.atlassian.com/browse/SRCTREEWIN-11291

All References (8)

→
http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execution-URL-Handling.html
→
http://www.securityfocus.com/bid/107401Third Party Advisory · VDB Entry
→
https://jira.atlassian.com/browse/SRCTREEWIN-11291Issue Tracking · Vendor Advisory
→
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/107401Third Party Advisory · VDB Entry
→
https://jira.atlassian.com/browse/SRCTREEWIN-11291Issue Tracking · Vendor Advisory
→
https://seclists.org/bugtraq/2019/Mar/30

Quick Facts

CVE IDCVE-2018-20236
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-77
CISA KEVNo
Affected1 vendor(s)
PublishedMar 8, 2019

Related CVEs (CWE-77)

CVE-2015-7541
10.0
CVE-2018-16462
10.0
CVE-2014-1905
10.0
CVE-2025-61492
10.0
CVE-2017-7876
10.0
CVE-2024-28354
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-20236 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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