What is the severity of CVE-2021-21255?

CVE-2021-21255 is classified as a moderate severity vulnerability due to its potential for unauthorized access to different entities.

How do I fix CVE-2021-21255?

To fix CVE-2021-21255, upgrade GLPI from version 9.5.3 to at least version 9.5.4.

What type of vulnerability is CVE-2021-21255?

CVE-2021-21255 is an Insecure Direct Object Reference (IDOR) vulnerability.

Who is affected by CVE-2021-21255?

Users of GLPI version 9.5.3 are affected by CVE-2021-21255 and should take action to mitigate the risk.

What functionality was impacted by CVE-2021-21255?

CVE-2021-21255 allows a logged-in user to switch entities improperly, leading to potential unauthorized access.

Vulnerability/
CVE-2021-21255

medium

5.8

CWE

639 862

2/3/2021

3/8/2024

CVE-2021-21255: entities switch IDOR

First published: Tue Mar 02 2021(Updated: )

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.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Teclib GLPI	=9.5.3

Remedy

https://github.com/glpi-project/glpi/commit/aade65b7f67d46f23d276a8acb0df70651c3b1dc

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-21255?
CVE-2021-21255 is classified as a moderate severity vulnerability due to its potential for unauthorized access to different entities.
How do I fix CVE-2021-21255?
To fix CVE-2021-21255, upgrade GLPI from version 9.5.3 to at least version 9.5.4.
What type of vulnerability is CVE-2021-21255?
CVE-2021-21255 is an Insecure Direct Object Reference (IDOR) vulnerability.
Who is affected by CVE-2021-21255?
Users of GLPI version 9.5.3 are affected by CVE-2021-21255 and should take action to mitigate the risk.
What functionality was impacted by CVE-2021-21255?
CVE-2021-21255 allows a logged-in user to switch entities improperly, leading to potential unauthorized access.

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agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/title
agent/last-modified-date
agent/author
agent/severity
agent/remedy
agent/description
agent/event
agent/first-publish-date
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/glpi-project
canonical/teclib glpi
version/teclib glpi/9.5.3

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Frequently Asked Questions

What is the severity of CVE-2021-21255?
CVE-2021-21255 is classified as a moderate severity vulnerability due to its potential for unauthorized access to different entities.
How do I fix CVE-2021-21255?
To fix CVE-2021-21255, upgrade GLPI from version 9.5.3 to at least version 9.5.4.
What type of vulnerability is CVE-2021-21255?
CVE-2021-21255 is an Insecure Direct Object Reference (IDOR) vulnerability.
Who is affected by CVE-2021-21255?
Users of GLPI version 9.5.3 are affected by CVE-2021-21255 and should take action to mitigate the risk.
What functionality was impacted by CVE-2021-21255?
CVE-2021-21255 allows a logged-in user to switch entities improperly, leading to potential unauthorized access.