CVE-2021-31272

Name: CVE-2021-31272
Creator: NVD / NIST
Published: 2021-06-18T22:15:11.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.17%

Last modified Jun 17, 2026

CVE-2021-31272 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. SerenityOS before commit 3844e8569689dd476064a0759d704bc64fb3ca2c contains a directory traversal vulnerability in tar/unzip that may lead to command execution or privilege escalation.. EPSS estimates a 3.17% chance of exploitation in the next 30 days.

Description

SerenityOS before commit 3844e8569689dd476064a0759d704bc64fb3ca2c contains a directory traversal vulnerability in tar/unzip that may lead to command execution or privilege escalation.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.17%

86.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Serenityos	Serenityos	< 3844e8569689dd476064a0759d704bc64fb3ca2c

References

https://github.com/SerenityOS/serenity/issues/3991Third Party Advisory
https://github.com/SerenityOS/serenity/issues/3992Third Party Advisory
https://github.com/SerenityOS/serenity/pull/5713Third Party Advisory
https://github.com/SerenityOS/serenity/pull/5713/commits/3844e8569689dd476064a0759d704bc64fb3ca2cPatch, Third Party Advisory
https://github.com/SerenityOS/serenity/issues/3991Third Party Advisory
https://github.com/SerenityOS/serenity/issues/3992Third Party Advisory
https://github.com/SerenityOS/serenity/pull/5713Third Party Advisory
https://github.com/SerenityOS/serenity/pull/5713/commits/3844e8569689dd476064a0759d704bc64fb3ca2cPatch, Third Party Advisory

Timeline

Published: Jun 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31272?

SerenityOS before commit 3844e8569689dd476064a0759d704bc64fb3ca2c contains a directory traversal vulnerability in tar/unzip that may lead to command execution or privilege escalation.

How severe is CVE-2021-31272?

CVE-2021-31272 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.17% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31272?

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-2021-31272?

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

Scan your code now

Source: NVD / NIST