BugZero | Fortinet BugID 1183893 - Handshake failure occurs when using explicit web p...

BugZero | Fortinet BugID 1183893 - Handshake failure occurs when using explicit web p...

Fortinet - Defect ID: 1183893

Handshake failure occurs when using explicit web proxy with deep inspection to access HTTPS websites through HTTP requests

Fortinet - Defect ID: 1183893

Handshake failure occurs when using explicit web proxy with deep inspection to access HTTPS websites through HTTP requests

Last updated on September 25th, 2025

BugZero Risk Score
8.0 High

Overall: 8.0

Lifecycle: 10.0

Community: 3.7

What is the BugZero Risk Score?

Fortinet Integration

Learn more about where this data comes from

Fortinet Integration

Bug Scrub Advisor

Streamline upgrades with automated vendor bug scrubs

Bug Scrub Advisor

BugZero Enterprise

Wish you caught this bug sooner? Get proactive today.

BugZero Enterprise

Bug Details

Priority: Unspecified
Status: Fixed
Impacted Service: Proxy
Views: 3

Description

Handshake failure occurs when using explicit web proxy with deep inspection to access HTTPS websites through HTTP requests.

Change history

2025-09-25 Added: 7.6.5

2025-09-25 Added: 7.4.9

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:No known affected versions

Fixed versions: 7.4.9, 7.6.5

Relevant Products

Click on a version to see all relevant bugs

Affected versions:No known affected versions

Fixed versions: 7.4.9, 7.6.5

Top Fortinet Defects

No bugs this month

Ready to prevent the next vendor outage?