Memory Exhaustion Vulnerability in FortiMail by Fortinet
CVE-2021-26090

5.3MEDIUM

Key Information:

Vendor
Fortinet
Status
Fortinet Fortimail
Vendor
CVE Published:
12 July 2021

Summary

A vulnerability exists in FortiMail's webmail service across several versions, where improper memory management can lead to exhaustion of system resources. An unauthenticated attacker may exploit this flaw by sending specially crafted login requests, potentially disrupting service availability. It is crucial for users of affected versions to implement necessary patches to mitigate these risks and maintain operational integrity.

Affected Version(s)

Fortinet FortiMail FortiMail 6.4.0 through 6.4.4 and 6.2.0 through 6.2.6

References

https://fortiguard.com/advisory/FG-IR-21-042
x_refsource_CONFIRM

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.