Missing Required Cryptographic Step in FortiMail - CVE-2021-26099
Published: July 13, 2021
Vulnerability identifier: #VU54791
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-26099
CWE-ID: CWE-325
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 attacker to gain access to sensitive information.
The vulnerability exists due to missing cryptographic steps in FortiMail IBE. A remote attacker who comes in possession of the encrypted master keys can compromise their confidentiality by observing a few invariant properties of the ciphertext.
Remediation
Install updates from vendor's website.