Cryptographic Signature Verification Flaw in Fortinet Products
CVE-2021-43074

4.1MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortiswitch
Fortiweb
Fortiproxy
FortiOS
Vendor
CVE Published:
16 February 2023

What is CVE-2021-43074?

A cryptographic signature verification flaw exists in multiple Fortinet products, allowing attackers to intercept admin session management cookies. This vulnerability enables potential decryption of sensitive session information, posing a serious security threat to affected environments.

Affected Version(s)

FortiOS 7.0.0 <= 7.0.3

FortiOS 6.4.0 <= 6.4.8

FortiOS 6.2.0 <= 6.2.12

References

https://fortiguard.com/psirt/FG-IR-21-126

CVSS V3.1

Score:
4.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.