BugZero | Fortinet BugID 1213247 - 504 Gateway Timeout shown when a virtual-server co...

Fortinet - Defect ID: 1213247

504 Gateway Timeout shown when a virtual-server configured in full mode connects to a HTTPS server that only supports TLS <= 1.2 and which also only supports using SHA1 for signatures

Fortinet - Defect ID: 1213247

504 Gateway Timeout shown when a virtual-server configured in full mode connects to a HTTPS server that only supports TLS <= 1.2 and which also only supports using SHA1 for signatures

Last updated on June 2nd, 2026

BugZero Risk Score
8.5 High

Overall: 8.5

Lifecycle: 10.0

Community: 7.0

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Bug Details

Priority: Unspecified
Status: Fixed
Impacted Service: Model SpecificProxy

Description

504 Gateway Timeout shown when a virtual-server configured in full mode connects to a HTTPS server that only supports TLS <= 1.2 and which also only supports using SHA1 for signatures.

Change history

2026-01-28 Added: 7.6.6

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Relevant Products

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Affected versions:7.6.6

Fixed versions: 7.6.7, 8.0.0

Relevant Products

Click on a version to see all relevant bugs

Affected versions:7.6.6

Fixed versions: 7.6.7, 8.0.0

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Fortinet - Defect ID: 1213247

504 Gateway Timeout shown when a virtual-server configured in full mode connects to a HTTPS server that only supports TLS <= 1.2 and which also only supports using SHA1 for signatures

Fortinet - Defect ID: 1213247

504 Gateway Timeout shown when a virtual-server configured in full mode connects to a HTTPS server that only supports TLS <= 1.2 and which also only supports using SHA1 for signatures

Last updated on June 2nd, 2026

BugZero Risk Score8.5 High

Bug Details

Links

Top Fortinet Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
8.5 High