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Servers and applications

CVE-2018-13382

An Improper Authorization vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8 and 5.4.1 to 5.4.10 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to modify the password of an SSL VPN web portal user via specially crafted HTTP requests

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 10 Jan 2022.

Severity
High 7.5
Published
4 Jun 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.2.9, 5.4.11, 5.6.9, 6.0.5
Exploit chance
82% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiProxyServers and applications · cpe:a:fortinet:fortiproxy
  • Every version before 1.2.9
  • Version 2.0.0
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • From 5.4.1 before 5.4.11
  • From 5.6.0 before 5.6.9
  • From 6.0.0 before 6.0.5

Known exploited

CISA name
Fortinet FortiOS and FortiProxy Improper Authorization
Required action
Apply updates per vendor instructions.
Due for US agencies
10 Jul 2022
Used in ransomware
Yes, known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-13382
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-13382