CVE-2021-26108

HIGH

FortiOS < 5.6.13 - Use of Hard-coded Cryptographic Key in SSLVPN

Title source: llm
STIX 2.1

Description

A use of hard-coded cryptographic key vulnerability in the SSLVPN of FortiOS before 7.0.1 may allow an attacker to retrieve the key by reverse engineering.

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-21-051

Scores

CVSS v3 7.5
EPSS 0.0031
EPSS Percentile 54.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-798
Status published
Products (2)
fortinet/fortios 7.0.0
fortinet/fortios 5.6.0 - 5.6.13
Published Dec 08, 2021
Tracked Since Feb 18, 2026