VNX-GH-309 – Organisation webhook deliveries can be forged or intercepted

Overview

Organisation webhooks receive events from every repository. An unsigned or unverified hook lets an attacker forge or read them.

Severity: Medium | Confidence: high | CWE: CWE-345, CWE-295 | Command: vulnetix gha org

Needs: org. Without them the rule is reported as not evaluated.

Remediation

Set a webhook secret and enable SSL verification.

Scoring

CWSS vector at the rule’s default severity: CWSS:1.0/TI:M/AP:A/AL:A/IC:N/FC:LT/RP:N/RL:A/AV:I/AS:N/IN:A/SC:A/BI:M/DI:M/EX:M/EC:N/P:W. A finding whose severity the repository’s settings moved is scored at its adjusted severity.