CVE-2020-15220: Session fixation

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-13 · updated 2026-06-17
Weakness: CWE-613

Description

Combodo iTop is a web based IT Service Management tool. In iTop before versions 2.7.2 and 3.0.0, two cookies are created for the same session, which leads to a possibility to steal user session. This is fixed in versions 2.7.2 and 3.0.0.

Affected products

Combodo iTop: before 2.7.2; 3.0.0-alpha — fixed in 2.7.2

How to fix

Upgrade to a fixed version: Combodo iTop 2.7.2. Check the vendor advisory for mitigations.

References

https://github.com/Combodo/iTop/security/advisories/GHSA-qw4q-cmcv-7vv2
https://github.com/Combodo/iTop/security/advisories/GHSA-qw4q-cmcv-7vv2

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