CVE-2021-44664

Name: CVE-2021-44664
Creator: NVD / NIST
Published: 2022-02-24T21:15:07.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 12.78%

Last modified Jun 17, 2026

CVE-2021-44664 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An Authenticated Remote Code Exection (RCE) vulnerability exists in Xerte through 3.9 in website_code/php/import/fileupload.php by uploading a maliciously crafted PHP file though the project interface disguised as a language file to bypasses the upload filters. Attackers can manipulate the files destination by abusing path traversal in the 'mediapath' variable.. EPSS estimates a 12.78% chance of exploitation in the next 30 days.

Description

An Authenticated Remote Code Exection (RCE) vulnerability exists in Xerte through 3.9 in website_code/php/import/fileupload.php by uploading a maliciously crafted PHP file though the project interface disguised as a language file to bypasses the upload filters. Attackers can manipulate the files destination by abusing path traversal in the 'mediapath' variable.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

12.78%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Xerte	Xerte	<= 3.9

References

http://packetstormsecurity.com/files/166182/Xerte-3.9-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/thexerteproject/xerteonlinetoolkits/commit/1672d6f46bbd6f6d42f0903ce9a313927ae2836b#diff-27433bb0be90e431d40986f9afebe9ee2f8d1025a7f9e55c3cd7a86f1f8e3fdcPatch, Third Party Advisory
https://github.com/thexerteproject/xerteonlinetoolkits/commit/6daeb81d089d4a561e22f931fff1327660a7d1b5Patch, Third Party Advisory
https://riklutz.nl/2021/11/03/authenticated-file-upload-to-remote-code-execution-in-xerte/Exploit, Third Party Advisory
http://packetstormsecurity.com/files/166182/Xerte-3.9-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/thexerteproject/xerteonlinetoolkits/commit/1672d6f46bbd6f6d42f0903ce9a313927ae2836b#diff-27433bb0be90e431d40986f9afebe9ee2f8d1025a7f9e55c3cd7a86f1f8e3fdcPatch, Third Party Advisory
https://github.com/thexerteproject/xerteonlinetoolkits/commit/6daeb81d089d4a561e22f931fff1327660a7d1b5Patch, Third Party Advisory
https://riklutz.nl/2021/11/03/authenticated-file-upload-to-remote-code-execution-in-xerte/Exploit, Third Party Advisory

Timeline

Published: Feb 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44664?

How severe is CVE-2021-44664?

CVE-2021-44664 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 12.78% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44664?

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-2021-44664?

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

Scan your code now

Source: NVD / NIST