CVE-2021-34363

Name: CVE-2021-34363
Creator: NVD / NIST
Published: 2021-06-10T11:15:09.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.85%

Last modified Jun 17, 2026

CVE-2021-34363 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. The thefuck (aka The Fuck) package before 3.31 for Python allows Path Traversal that leads to arbitrary file deletion via the "undo archive operation" feature.. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

Description

The thefuck (aka The Fuck) package before 3.31 for Python allows Path Traversal that leads to arbitrary file deletion via the "undo archive operation" feature.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

1.85%

76.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
The Fuck Project	The Fuck	< 3.31
Fedoraproject	Fedora	34
Fedoraproject	Fedora	35

References

https://github.com/nvbn/thefuck/commit/e343c577cd7da4d304b837d4a07ab4df1e023092Patch, Third Party Advisory
https://github.com/nvbn/thefuck/releases/tag/3.31Release Notes, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4MEDDLBFVRUQHPYIBJ4MFM3M4NUJUXL5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YA6UNQSOY6M3NJDZLS6YJXTS4WGDMEEJ/
https://vuln.ryotak.me/advisories/48Third Party Advisory
https://github.com/nvbn/thefuck/commit/e343c577cd7da4d304b837d4a07ab4df1e023092Patch, Third Party Advisory
https://github.com/nvbn/thefuck/releases/tag/3.31Release Notes, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4MEDDLBFVRUQHPYIBJ4MFM3M4NUJUXL5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YA6UNQSOY6M3NJDZLS6YJXTS4WGDMEEJ/
https://vuln.ryotak.me/advisories/48Third Party Advisory

Timeline

Published: Jun 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34363?

The thefuck (aka The Fuck) package before 3.31 for Python allows Path Traversal that leads to arbitrary file deletion via the "undo archive operation" feature.

How severe is CVE-2021-34363?

CVE-2021-34363 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.85% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34363?

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-2021-34363?

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

Scan your code now

Source: NVD / NIST