What’s Vulnerable › Vulnerabilities

CVE-2021-24022

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-20 · updated 2026-06-17
• Weakness: CWE-120

Description

A buffer overflow vulnerability in FortiAnalyzer CLI 6.4.5 and below, 6.2.7 and below, 6.0.x and FortiManager CLI 6.4.5 and below, 6.2.7 and below, 6.0.x may allow an authenticated, local attacker to perform a Denial of Service attack by running the `diagnose system geoip-city` command with a large ip value.

Affected products

• Fortinet FortiAnalyzer: from 6.0.0 before 6.2.8; from 6.4.0 before 6.4.6 — fixed in 6.2.8, 6.4.6
• Fortinet FortiManager: from 6.0.0 before 6.2.8; from 6.4.0 before 6.4.6 — fixed in 6.2.8, 6.4.6

How to fix

Upgrade to a fixed version: Fortinet FortiAnalyzer 6.2.8, 6.4.6; Fortinet FortiManager 6.2.8, 6.4.6. Check the vendor advisory for mitigations.

References

• https://fortiguard.com/advisory/FG-IR-20-194
• https://fortiguard.com/advisory/FG-IR-20-194

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