BIG-IP
CVE-2023-40537: Multi-blade VIPRION Configuration utility session cookie vulnerability
An authenticated user's session cookie may remain valid for a limited time after logging out from the BIG-IP Configuration utility on a multi-blade VIPRION platform.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 8.1
EPSS0.55%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
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 |
|---|---|
| BIG-IP (Multi-blade VIPRION) 17.1 | Not affected |
| BIG-IP (Multi-blade VIPRION) 16.1 | 16.1.4 or later |
| BIG-IP (Multi-blade VIPRION) 15.1 | 15.1.9 or later |
| BIG-IP (Multi-blade VIPRION) 14.1 | * or later |
| BIG-IP (Multi-blade VIPRION) 13.1 | * or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
An authenticated user's session cookie may remain valid for a limited time after logging out from the BIG-IP Configuration utility on a multi-blade VIPRION platform.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 12 Oct 2026.