All vulnerabilities

Servers and applications

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.

Severity
High 8.1
Published
2 Feb 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.3.16, 6.4.2
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiWebServers and applications · cpe:a:fortinet:fortiweb
  • From 5.8.0 before 6.3.16
  • From 6.4.0 before 6.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-42753
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-42753