CVE-2016-2539

Name: CVE-2016-2539
Creator: NVD / NIST
Published: 2017-02-07T15:59:00.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.25%

Last modified Jun 17, 2026

CVE-2016-2539 is a vulnerability of currently unknown severity. Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.. EPSS estimates a 4.25% chance of exploitation in the next 30 days.

Description

Cross-site request forgery (CSRF) vulnerability in install_modules.php in ATutor before 2.2.2 allows remote attackers to hijack the authentication of users for requests that upload arbitrary files and execute arbitrary PHP code via vectors involving a crafted zip file.

Metrics

EPSS Probability

4.25%

89.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Atutor	Atutor	<= 2.2.1

References

https://github.com/atutor/ATutor/commit/bfc6c80c6c217c5515172f3cc949e13dfa1a92acPatch, Vendor Advisory
https://packetstormsecurity.com/files/136109/ATutor-LMS-2.2.1-CSRF-Remote-Code-Execution.htmlExploit, Patch, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/39524/
https://github.com/atutor/ATutor/commit/bfc6c80c6c217c5515172f3cc949e13dfa1a92acPatch, Vendor Advisory
https://packetstormsecurity.com/files/136109/ATutor-LMS-2.2.1-CSRF-Remote-Code-Execution.htmlExploit, Patch, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/39524/

Timeline

Published: Feb 7, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-2539?

How severe is CVE-2016-2539?

Severity scoring for CVE-2016-2539 is pending analysis. The EPSS model estimates a 4.25% probability of exploitation in the next 30 days.

How do I fix CVE-2016-2539?

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-2016-2539?

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

Scan your code now

Source: NVD / NIST