CVE-2021-43779

Name: CVE-2021-43779
Creator: NVD / NIST
Published: 2022-01-05T19:15:08.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 9.13%

Last modified Jun 17, 2026

CVE-2021-43779 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. GLPI is an open source IT Asset Management, issue tracking system and service desk system. The GLPI addressing plugin in versions < 2.9.1 suffers from authenticated Remote Code Execution vulnerability, allowing access to the server's underlying operating system using command injection abuse of functionality. EPSS estimates a 9.13% chance of exploitation in the next 30 days.

Description

GLPI is an open source IT Asset Management, issue tracking system and service desk system. The GLPI addressing plugin in versions < 2.9.1 suffers from authenticated Remote Code Execution vulnerability, allowing access to the server's underlying operating system using command injection abuse of functionality. There is no workaround for this issue and users are advised to upgrade or to disable the addressing plugin.

Metrics

CVSS 3.1

9.9/10

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

EPSS Probability

9.13%

94.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Teclib-Edition	Addressing	< 2.9.1

References

https://github.com/hansmach1ne/MyExploits/tree/main/RCE_GLPI_addressing_pluginExploit, Third Party Advisory
https://github.com/pluginsGLPI/addressing/commit/6f55964803054a5acb5feda92c7c7f1d91ab5366Patch, Third Party Advisory
https://github.com/pluginsGLPI/addressing/security/advisories/GHSA-q5fp-xpr8-77jhExploit, Third Party Advisory
https://github.com/hansmach1ne/CVE-portfolio/tree/main/CVE-2021-43779
https://github.com/hansmach1ne/MyExploits/tree/main/RCE_GLPI_addressing_pluginExploit, Third Party Advisory
https://github.com/pluginsGLPI/addressing/commit/6f55964803054a5acb5feda92c7c7f1d91ab5366Patch, Third Party Advisory
https://github.com/pluginsGLPI/addressing/security/advisories/GHSA-q5fp-xpr8-77jhExploit, Third Party Advisory

Timeline

Published: Jan 5, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43779?

How severe is CVE-2021-43779?

CVE-2021-43779 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 9.13% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43779?

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-2021-43779?

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

Scan your code now

Source: NVD / NIST