Vulnerability Details : CVE-2020-21057
Directory Traversal vulnerability in FusionPBX 4.5.7, which allows a remote malicious user to delete folders on the system via the folder variable to app/edit/folderdelete.php.
Vulnerability category: Directory traversal
Products affected by CVE-2020-21057
- cpe:2.3:a:fusionpbx:fusionpbx:4.5.7:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-21057
1.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-21057
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:P |
8.0
|
4.9
|
NIST | |
|
8.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
2.8
|
5.2
|
NIST |
CWE ids for CVE-2020-21057
-
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-2020-21057
-
https://github.com/fusionpbx/fusionpbx/commit/026c3958c3c7ca6b2ff067addc991aac8f41cf11
Update and rename folderdelete.php to folder_delete.php · fusionpbx/fusionpbx@026c395 · GitHubPatch;Third Party Advisory
-
https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-4/
FusionPBX Path traversal 4 – Resp3ct blogPatch;Third Party Advisory
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