CVE-2020-15167

Name: CVE-2020-15167
Creator: NVD / NIST
Published: 2020-09-02T18:15:11.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2020-15167 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. In Miller (command line utility) using the configuration file support introduced in version 5.9.0, it is possible for an attacker to cause Miller to run arbitrary code by placing a malicious `.mlrrc` file in the working directory. See linked GitHub Security Advisory for complete details. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

In Miller (command line utility) using the configuration file support introduced in version 5.9.0, it is possible for an attacker to cause Miller to run arbitrary code by placing a malicious `.mlrrc` file in the working directory. See linked GitHub Security Advisory for complete details. A fix is ready and will be released as Miller 5.9.1.

Metrics

CVSS 3.1

8.6/10

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

EPSS Probability

0.43%

34.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Johnkerl	Miller	5.9.0

References

https://github.com/johnkerl/miller/security/advisories/GHSA-mw2v-4q78-j2cwExploit, Third Party Advisory
https://github.com/johnkerl/miller/security/advisories/GHSA-mw2v-4q78-j2cwExploit, Third Party Advisory

Timeline

Published: Sep 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15167?

How severe is CVE-2020-15167?

CVE-2020-15167 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15167?

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-2020-15167?

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

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Source: NVD / NIST