Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-43074 |
CWE-ID | CWE-347 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Fortinet FortiWeb Server applications / Remote management servers, RDP, SSH |
Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU72346
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-43074
CWE-ID:
CWE-347 - Improper Verification of Cryptographic Signature
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to improper verification of cryptographic signature when handling cookie files. A remote user can decrypt portions of the administrative session management cookie (padding oracle in cookie encryption) and escalate privileges on the device.
Install update from vendor's website.
Vulnerable software versionsFortinet FortiWeb: 6.0.0 - 6.4.2
External linkshttp://fortiguard.fortinet.com/psirt/FG-IR-21-126
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.