CVE Vulnerabilities

CVE-2021-40849

Insufficient Session Expiration

Published: Nov 03, 2021 | Modified: Nov 05, 2021
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, the account associated with a web services token is vulnerable to being exploited and logged into, resulting in information disclosure (at a minimum) and often escalation of privileges.

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
Mahara Mahara * 20.04.5 (excluding)
Mahara Mahara 20.10.0 (including) 20.10.3 (excluding)
Mahara Mahara 21.04.0 (including) 21.04.2 (excluding)
Mahara Mahara 21.10.0-rc1 (including) 21.10.0-rc1 (including)
Mahara Mahara 21.10.0-rc2 (including) 21.10.0-rc2 (including)

Potential Mitigations

References