What is CVE-2020-21056?

CVE-2020-21056 is a medium-severity vulnerability in Fusionpbx, classified under Path Traversal. CVSS score: 4.3/10. Published 2021-05-20.

How severe is CVE-2020-21056?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Path Traversal in Fusionpbx

CVE-2020-21056

Directory Traversal vulnerability exists in FusionPBX 4.5.7, which allows a remote malicious user to create folders via the folder variale to app\edit\foldernew.php.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.010 (58.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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-2020-21056?: CVE-2020-21056 is a medium-severity vulnerability in Fusionpbx, classified under Path Traversal. CVSS score: 4.3/10. Published 2021-05-20.
How severe is CVE-2020-21056?: Medium severity. CVSS v3 base score is 4.3 out of 10.