Medium severity · published Dec 8, 2021
CVE-2021-43064
A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to use the…
6.1
CVSS
0.6%
EPSS
No
On KEV
Description
A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to use the device as a proxy and reach external or protected hosts via redirection handlers.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% 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 6.2.6; 6.3.0 through 6.3.15; 6.4.0; 6.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43064
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-43064
Patch
https://fortiguard.com/advisory/FG-IR-21-168
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