Auth bypass in Glpi-Project Glpi
CVE-2021-21327
GLPI is an open-source asset and IT management software package that provides ITIL Service Desk features, licenses tracking and software auditing. In GLPI before version 9.5.4 non-authenticated user can remotely instantiate object of any class existing in the GLPI environment that can be used to carry out malicious attacks, or to start a “POP chain”. As an example of direct impact, this vulnerability affects integrity of the GLPI core platform and third-party plugins runtime misusing classes which implement some sensitive operations in their constructors or destructors. This is fixed in version 9.5.4.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.023 (82.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Glpi-Project Glpi — versions < 9.5.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/glpi-project/glpi/releases/tag/9.5.4 (Release Notes)
- github.com/glpi-project/glpi/security/advisories/GHSA-qmw7-w2m4-rjwp (Vendor Advisory)
- packetstormsecurity.com/files/161680/GLPI-9.5.3-Unsafe-Reflection.html (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21327?
- CVE-2021-21327 is a medium-severity vulnerability in Glpi-Project Glpi, classified under Missing Authorization. CVSS score: 6.8/10. Published 2021-03-08.
- How severe is CVE-2021-21327?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2021-21327 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.