Vulnerability Details : CVE-2021-43264
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.
Vulnerability category: Directory traversal
Products affected by CVE-2021-43264
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43264
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43264
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
1.8
|
1.4
|
NIST |
CWE ids for CVE-2021-43264
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43264
-
https://mahara.org/interaction/forum/topic.php?id=8954
Security Announcements - Accessing page help causing path traversal in Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0 - Mahara ePortfolio SystemVendor Advisory
-
https://bugs.launchpad.net/mahara/+bug/1944979
Bug #1944979 “Path traversal leads to unauthenticated HTML file ...” : Bugs : MaharaExploit;Third Party Advisory
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