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.

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)

EPSS: 0.012 (64.2th percentile) — read the EPSS interpretation.

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.

Affected products

Fusionpbx — versions 4.5.7
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

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.