Skip to content
Fencer Vulns
critical 9.9

CVE-2021-43779 json

Remote Command Execution vulnerability

published 2022-01-05 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30684

cvss
9.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
9.1%
EPSS 9.1% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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.

Patch / fix

  • teclib-edition addressing 2.9.1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

9.13% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/pluginsGLPI/addressing/security/advisories/GHSA-q5fp-xpr8-77jh referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/hansmach1ne/MyExploits/tree/main/RCE_GLPI_addressing_plugin referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H
NVD 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

  • pluginsGLPI addressing

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.