Path Traversal in Fortinet Fortiweb

CVE-2021-42753

An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability [CWE-22] in FortiWeb management interface 6.4.1 and below, 6.3.15 and below, 6.2.x, 6.1.x, 6.0.x, 5.9.x and 5.8.x may allow an authenticated attacker to perform an arbitrary file and directory deletion in the device filesystem.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.011 (63.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-42753?
CVE-2021-42753 is a high-severity vulnerability in Fortinet Fortiweb, classified under Path Traversal. CVSS score: 8.1/10. Published 2022-02-02.
How severe is CVE-2021-42753?
High severity. CVSS v3 base score is 8.1 out of 10.