Memory leak in FortiMail - CVE-2021-26090
Published: July 13, 2021
Vulnerability identifier: #VU54776
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-26090
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak in FortiMail Webmail. A remote attacker can exhaust available memory resources via specifically crafted login requests.
Affected software
FortiMail
How to mitigate CVE-2021-26090
Install updates from vendor's website.
FortiMail - update to 6.4.5