CVE & CISA-KEV Catalog

CVE-2018-20234

HIGHEPSS 93th pctl
8.8
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
SourcetreeWindows application
Affected:1.2.0 3.1.1Fixed in:3.1.1Atlassian

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

5.91%probability of exploitation in 30 days
93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Related Vulnerabilities

Other CWE-88 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2016-10033Critical9.8100%KEVFix
CVE-2022-36804High8.899%KEVFix
CVE-2026-24061Critical9.898%KEVFix
CVE-2007-0882High10.098%--
CVE-2018-17456Critical9.897%-Fix
CVE-2018-19518High7.595%-Fix

Common questions

How do I fix CVE-2018-20234?

Upgrade Sourcetree to 3.1.1 or later.

Is CVE-2018-20234 being actively exploited?

Not that we know of. CVE-2018-20234 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 5.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 93% of all scored CVEs.

How severe is CVE-2018-20234?

CVE-2018-20234 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-20234 affect?

Published advisories record a fix for Sourcetree (Windows application). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.