What’s Vulnerable › Vulnerabilities

CVE-2021-40849

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-03 · updated 2026-06-17
• Weakness: CWE-613

Description

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.

Affected products

• mahara: before 20.04.5; from 20.10.0 before 20.10.3; from 21.04.0 before 21.04.2; 21.10.0-rc1, 21.10.0-rc2 — fixed in 20.04.5, 20.10.3, 21.04.2

How to fix

Upgrade to a fixed version: mahara 20.04.5, 20.10.3, 21.04.2. Check the vendor advisory for mitigations.

References

• https://bugs.launchpad.net/mahara/+bug/1930469
• https://mahara.org/interaction/forum/topic.php?id=8949
• https://bugs.launchpad.net/mahara/+bug/1930469
• https://mahara.org/interaction/forum/topic.php?id=8949

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