CVE-2021-40849 json
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…
published 2021-11-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28005
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- mahara mahara 20.04.5, 20.10.3, 21.04.2
Exploit prediction
1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-613 DEPRECATED: Insufficient Session Expiration
References
-
bugs.launchpad.net
/mahara/+bug/1930469
vendor-advisory
-
mahara.org
/interaction/forum/topic.php?id=8949
vendor-advisory
Sources
- CVE List CVE-2021-40849
- NVD CVE-2021-40849
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