CVE-2018-1000021

Name: CVE-2018-1000021
Creator: NVD / NIST
Published: 2018-02-09T23:29:00.557+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2018-1000021 is a medium-severity vulnerability rated 5/10 on the CVSS scale. GIT version 2.15.1 and earlier contains a Input Validation Error vulnerability in Client that can result in problems including messing up terminal configuration to RCE. This attack appear to be exploitable via The user must interact with a malicious git server, (or have their traffic modified in a MITM attack).. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

Description

GIT version 2.15.1 and earlier contains a Input Validation Error vulnerability in Client that can result in problems including messing up terminal configuration to RCE. This attack appear to be exploitable via The user must interact with a malicious git server, (or have their traffic modified in a MITM attack).

Metrics

CVSS 3.1

5/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

EPSS Probability

1.08%

60.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Git-Scm	Git	<= 2.15.1

References

http://www.batterystapl.es/2018/01/security-implications-of-ansi-escape.htmlThird Party Advisory
http://www.batterystapl.es/2018/01/security-implications-of-ansi-escape.htmlThird Party Advisory

Timeline

Published: Feb 9, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000021?

How severe is CVE-2018-1000021?

CVE-2018-1000021 has a CVSS score of 5/10 (MEDIUM severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000021?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000021?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST