Resource exhaustion in Fortinet Fortiauthenticator
CVE-2021-22124
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Fortinet Fortiauthenticator
- Fortinet Fortisandbox, Fortiauthenticator — versions FortiSandbox 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
- Fortinet Fortisandbox
Weakness classification (CWE)
References
- fortiguard.com/advisory/FG-IR-20-170 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22124?
- CVE-2021-22124 is a high-severity vulnerability in Fortinet Fortiauthenticator, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-08-04.
- How severe is CVE-2021-22124?
- High severity. CVSS v3 base score is 7.5 out of 10.