CVE-2021-44967

Name: CVE-2021-44967
Creator: NVD / NIST
Published: 2022-02-24T15:15:24.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 12.68%

Last modified Jun 17, 2026

CVE-2021-44967 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A Remote Code Execution (RCE) vulnerabilty exists in LimeSurvey 5.2.4 via the upload and install plugins function, which could let a remote malicious user upload an arbitrary PHP code file. NOTE: the Supplier's position is that plugins intentionally can contain arbitrary PHP code, and can only be installed by a superadmin, and therefore the security model is not violated by this finding.. EPSS estimates a 12.68% chance of exploitation in the next 30 days.

Description

A Remote Code Execution (RCE) vulnerabilty exists in LimeSurvey 5.2.4 via the upload and install plugins function, which could let a remote malicious user upload an arbitrary PHP code file. NOTE: the Supplier's position is that plugins intentionally can contain arbitrary PHP code, and can only be installed by a superadmin, and therefore the security model is not violated by this finding.

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

12.68%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Limesurvey	Limesurvey	5.2.4

References

https://github.com/Y1LD1R1M-1337/Limesurvey-RCEExploit, Third Party Advisory
https://www.exploit-db.com/exploits/50573Exploit, Third Party Advisory, VDB Entry
https://www.limesurvey.org/manual/Plugins_-_advanced
https://github.com/Y1LD1R1M-1337/Limesurvey-RCEExploit, Third Party Advisory
https://www.exploit-db.com/exploits/50573Exploit, Third Party Advisory, VDB Entry

Timeline

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

Frequently Asked Questions

What is CVE-2021-44967?

How severe is CVE-2021-44967?

CVE-2021-44967 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 12.68% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44967?

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-2021-44967?

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

Scan your code now

Source: NVD / NIST