CVE-2021-40964

Name: CVE-2021-40964
Creator: NVD / NIST
Published: 2021-09-15T18:15:09.413+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 8.24%

Last modified Jun 17, 2026

CVE-2021-40964 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A Path Traversal vulnerability exists in TinyFileManager all version up to and including 2.4.6 that allows attackers to upload a file (with Admin credentials or with the CSRF vulnerability) with the "fullpath" parameter containing path traversal strings (../ and ..\) in order to escape the server's intended working directory and write malicious files onto any directory on the computer.. EPSS estimates a 8.24% chance of exploitation in the next 30 days.

Description

A Path Traversal vulnerability exists in TinyFileManager all version up to and including 2.4.6 that allows attackers to upload a file (with Admin credentials or with the CSRF vulnerability) with the "fullpath" parameter containing path traversal strings (../ and ..\) in order to escape the server's intended working directory and write malicious files onto any directory on the computer.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

8.24%

94.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Prasathmani	Tiny File Manager	<= 2.4.6

References

http://packetstormsecurity.com/files/166330/Tiny-File-Manager-2.4.6-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528Third Party Advisory
https://github.com/prasathmani/tinyfilemanagerProduct, Third Party Advisory
http://packetstormsecurity.com/files/166330/Tiny-File-Manager-2.4.6-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
https://gist.github.com/omriinbar/953368dcdd9e5eeefd83920166099528Third Party Advisory
https://github.com/prasathmani/tinyfilemanagerProduct, Third Party Advisory

Timeline

Published: Sep 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40964?

How severe is CVE-2021-40964?

CVE-2021-40964 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 8.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40964?

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-2021-40964?

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

Scan your code now

Source: NVD / NIST