CVE Vulnerabilities

CVE-2020-1776

Insufficient Session Expiration

Published: Jul 20, 2020 | Modified: Aug 31, 2023
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
LOW

When an agent user is renamed or set to invalid the session belonging to the user is keept active. The session can not be used to access ticket data in the case the agent is invalid. This issue affects ((OTRS)) Community Edition: 6.0.28 and prior versions. OTRS: 7.0.18 and prior versions, 8.0.4. and prior versions.

Weakness

According to WASC, “Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization.”

Affected Software

Name Vendor Start Version End Version
Otrs Otrs * 6.0.29 (excluding)
Otrs Otrs 7.0.0 (including) 7.0.19 (excluding)
Otrs Otrs 8.0.1 (including) 8.0.5 (excluding)
Otrs2 Ubuntu bionic *
Otrs2 Ubuntu esm-apps/bionic *
Otrs2 Ubuntu esm-apps/focal *
Otrs2 Ubuntu esm-apps/xenial *
Otrs2 Ubuntu focal *
Otrs2 Ubuntu trusty *
Otrs2 Ubuntu upstream *
Otrs2 Ubuntu xenial *

Potential Mitigations

References