CVE-2021-26108 Hardcoded credentials in Fortinet FortiOS

What is CVE-2021-26108?

CVE-2021-26108 is a high-severity vulnerability in Fortinet Fortios, published on 8 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-798

Which versions are affected by CVE-2021-26108?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2021-26108?

No fix has been published for CVE-2021-26108 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-26108 being exploited?

There is no known exploitation of CVE-2021-26108 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qv52-3gx5-px5v.