Inadequate encryption strength in FortiMail - CVE-2021-26095
Published: July 13, 2021
Vulnerability identifier: #VU54772
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-26095
CWE-ID: CWE-326
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FortiMail
FortiMail
Software vendor:
Fortinet, Inc
Fortinet, Inc
Description
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to a combination of various cryptographic issues in the session management of FortiMail, including the encryption construction of the session cookie. A remote user with possession of a valid session cookie can decrypt it and reveal or alter its content.
Successful exploitation of the vulnerability may allow an attacker to escalate privileges on the system.
Remediation
Install updates from vendor's website.