High severity · published Nov 2, 2021
CVE-2021-36187
A uncontrolled resource consumption in Fortinet FortiWeb version 6.4.0, version 6.3.15 and below, 6.2.5 and below allows attacker to cause a denial of service for webserver daemon…
7.5
CVSS
1.4%
EPSS
No
On KEV
Description
A uncontrolled resource consumption in Fortinet FortiWeb version 6.4.0, version 6.3.15 and below, 6.2.5 and below allows attacker to cause a denial of service for webserver daemon via crafted HTTP requests
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)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiweb · Fortinet
6.2.0 through 6.2.5; 6.3.0 through 6.3.15; 6.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36187
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36187
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-039
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