Path Traversal in Fusionpbx
CVE-2020-21055
A Directory Traversal vulnerability exists in FusionPBX 4.5.7 allows malicoius users to rename any file of the system.via the (1) folder, (2) filename, and (3) newfilename variables in app\edit\filerename.php.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.012 (66.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Fusionpbx — versions 4.5.7
Weakness classification (CWE)
References
- resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-6/ (Third Party Advisory)
- github.com/fusionpbx/fusionpbx/commit/1a88ca61a744914d3336cc15a40fb3edbcde9085 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-21055?
- CVE-2020-21055 is a medium-severity vulnerability in Fusionpbx, classified under Path Traversal. CVSS score: 6.5/10. Published 2021-05-20.
- How severe is CVE-2020-21055?
- Medium severity. CVSS v3 base score is 6.5 out of 10.