Vulnerability identifier: #VU72346
Vulnerability 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:
CWE-ID:
CWE-347
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FortiOS
Operating systems & Components /
Operating system
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FortiOS: 7.0.0 - 7.0.6, 6.4.0 - 6.4.8, 6.2.0 - 6.2.12, 6.0.0 - 6.0.16
External links
http://fortiguard.com/psirt/FG-IR-21-126
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.