High severity · published Aug 4, 2021
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…
7.5
CVSS
1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiauthenticator · Fortinet
4.0.0 through 4.3.4; 5.0.0 through 5.5.0; 6.0.0 before 6.0.6 · source: NVD
FO
Fortisandbox · Fortinet
3.0.0 before 3.0.7; 3.1.0 before 3.1.5; 3.2.0 before 3.2.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22124
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22124
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-170
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