CVE-2021-26114 SQL injection in Fortinet FortiWAN

What is CVE-2021-26114?

CVE-2021-26114 is a critical SQL injection vulnerability in Fortinet FortiWAN, published on 6 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple improper neutralization of special elements used in an SQL command vulnerabilities in FortiWAN before 4.5.9 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.

Weakness: CWE-89

Which versions are affected by CVE-2021-26114?

It affects 1 product.

Products include Fortinet Fortiwan.

How do I fix CVE-2021-26114?

No fix has been published for CVE-2021-26114 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2021-26114 being exploited?

There is no known exploitation of CVE-2021-26114 in the wild and no public exploit code.

Other vulnerabilities in Fortinet FortiWAN

• CVE-2021-26102 Path traversal in FortiWAN Critical 9.8
• CVE-2016-4965 Command injection in n/a High 8.8
• CVE-2023-44252 Auth bypass in FortiWAN High 8.6
• CVE-2023-44251 Path traversal in FortiWAN High 8.1
• CVE-2021-26112 Memory corruption in Fortinet FortiWAN High 8.1

Sources

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

Also known as GHSA-6rpg-jg37-hhg7.