CVE-2021-43264 json
In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, adjusting the path component for the page help file allows attackers to bypass the…
published 2021-11-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30208
- cvss
- 3.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, adjusting the path component for the page help file allows attackers to bypass the intended access control for HTML files via directory traversal. It replaces the - character with the / character.
Patch / fix
- mahara mahara 20.04.5, 20.10.3, 21.04.2
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugs.launchpad.net https://bugs.launchpad.net/mahara/+bug/1944979 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
bugs.launchpad.net
/mahara/+bug/1944979
exploit, third-party-advisory
-
mahara.org
/interaction/forum/topic.php?id=8954
vendor-advisory
Sources
- CVE List CVE-2021-43264
- NVD CVE-2021-43264
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