Medium severity · published Dec 8, 2021
CVE-2021-36190
A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts…
6.3
CVSS
0.8%
EPSS
No
On KEV
Description
A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiweb · Fortinet
6.0.0 through 6.0.7; 6.2.0 through 6.2.6; 6.3.0 through 6.3.15; 6.1.0; 6.1.1; 6.1.2; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36190
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36190
Patch
https://fortiguard.com/advisory/FG-IR-21-123
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