#VU72346 Improper Verification of Cryptographic Signature in FortiOS - CVE-2021-43074

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Main Vulnerability Database Vulnerabilities #VU72346

#VU72346 Improper Verification of Cryptographic Signature in FortiOS - CVE-2021-43074

Published: February 17, 2023


Vulnerability identifier: #VU72346
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-43074
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FortiOS
Software vendor:
Fortinet, Inc

Description

The 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.



Remediation

Install updates from vendor's website.

External links