Improper Certificate Validation Vulnerability May Allow Unauthenticated MITM Attack on SAML SSO Feature
CVE-2022-45856

5.9MEDIUM

Key Information:

Vendor

Fortinet
Status
ForticlientiOS
Forticlientandroid
Forticlientmac
Forticlientlinux
Vendor
CVE Published:
10 September 2024

What is CVE-2022-45856?

An improper certificate validation vulnerability exists in FortiClient products, potentially enabling an unauthenticated attacker to intercept and manipulate communications between FortiClient and both service providers and identity providers. This vulnerability impacts various platforms including Windows, Mac, Linux, Android, and iOS across multiple versions. Proper validation of certificates is critical to prevent man-in-the-middle attacks, which could lead to unauthorized information exposure and loss of data integrity.

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Affected Version(s)

FortiClientAndroid 7.2.0

FortiClientAndroid 7.0.6 <= 7.0.7

FortiClientAndroid 7.0.2 <= 7.0.3

References

https://fortiguard.fortinet.com/psirt/FG-IR-22-230

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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