CVE-2021-22124: fortinet fortiauthenticator Uncontrolled Resource Consumption
Vulnerability summary
CVE-2021-22124 is a high (CVSS 7.8) Uncontrolled Resource Consumption vulnerability in fortinet fortiauthenticator. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.8% of scored vulnerabilities.
Timeline
- 04-08-2021PublishedVulnerability first disclosed.
- 25-10-2024Last modifiedVulnerability information updated.
Description
An uncontrolled resource consumption (denial of service) vulnerability in the login modules of FortiSandbox 3.2.0 through 3.2.2, 3.1.0 through 3.1.4, and 3.0.0 through 3.0.6; and FortiAuthenticator before 6.0.6 may allow an unauthenticated attacker to bring the device into an unresponsive state via specifically-crafted long request parameters.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.02%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.02% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fortinet3 products
- fortiauthenticator≥ 4.0.0, ≤ 4.3.4 | ≥ 5.0.0, ≤ 5.5.0 | ≥ 6.0.0, < 6.0.6
- fortinet fortisandbox, fortiauthenticatorFortiSandbox 3.2.2, 3.2.1, 3.2.0, 3.1.4, 3.1.3, 3.1.2, 3.1.1, 3.1.0, 3.0.6, 3.0.5, 3.0.4, 3.0.3, 3.0.2, 3.0.1, 3.0.0, FortiAuthenticator before 6.0.6
- fortisandbox≥ 3.0.0, < 3.0.7 | ≥ 3.1.0, < 3.1.5 | ≥ 3.2.0, < 3.2.2
1 vendor · 3 products