CVE-2021-21255 entities switch IDOR
A logged-in user can switch entities via IDOR, potentially accessing unauthorized data or escalating privileges in GLPI.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21255?
CVE-2021-21255 is a medium-severity missing authorization vulnerability in Glpi-Project Glpi, published on 2 Mar 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
GLPI is an open-source asset and IT management software package that provides ITIL Service Desk features, licenses tracking and software auditing. In GLPI version 9.5.3, it was possible to switch entities with IDOR from a logged in user. This is fixed in version 9.5.4.
Which versions are affected by CVE-2021-21255?
It affects 1 product.
Products include Glpi-Project Glpi.
How do I fix CVE-2021-21255?
No fix has been published for CVE-2021-21255 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-21255 being exploited?
There is no known exploitation of CVE-2021-21255 in the wild and no public exploit code.
Other vulnerabilities in Glpi-Project Glpi
- CVE-2022-35914 Teclib GLPI Remote Code Execution
- CVE-2023-42802 GLPI vulnerable to unallowed PHP script execution
- CVE-2023-28849 GLPI vulnerable to SQL injection and Stored XSS via inventory agent request
- CVE-2022-35947 SQL injection in GLPI
- CVE-2022-31056 SQL injection with _actor parameter in GLPI
Sources
Also known as GHSA-v3m5-r3mx-ff9j, UBUNTU-CVE-2021-21255.