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CVE-2024-33507: Insufficient session expiration in FortiIsolator
An insufficient session expiration vulnerability [CWE-613] and an incorrect authorization vulnerability [CWE-863] in FortiIsolator 2.4.0 through 2.4.4, 2.3 all versions, 2.2.0, 2.1 all versions, 2.0 all versions authentication mechanism may allow remote unauthenticated attacker to deauthenticate logged in admins via crafted cookie and remote authenticated read-only attacker to gain write privilege via crafted cookie.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiIsolator 2.4.0 to 2.4.4 | 2.4.5 or later |
| FortiIsolator 2.3.0 to 2.3.4 | Upgrade past 2.3.4; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
An insufficient session expiration vulnerability [CWE-613] and an incorrect authorization vulnerability [CWE-863] in FortiIsolator 2.4.0 through 2.4.4, 2.3 all versions, 2.2.0, 2.1 all versions, 2.0 all versions authentication mechanism may allow remote unauthenticated attacker to deauthenticate logged in admins via crafted cookie and remote authenticated read-only attacker to gain write privilege via crafted cookie.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.