CWE-551: Incorrect Behavior Order: Authorization Before Parsing and Canonicalization

Weakness Summary

If a web server does not fully parse requested URLs before it examines them for authorization, it may be possible for an attacker to bypass authorization protection.

• Canonical source: MITRE CWE-551 (opens in a new tab)
• Published Atomicorp CVE observations: 1
• Distinct affected products in those observations: 1
• Active Atomicorp rules associated with this weakness: 1

Atomicorp Research Context

Atomicorp has published CVE-specific research observations associated with this weakness category. Each linked CVE page states whether the tested request was detected or blocked and is the authoritative customer-facing finding.

The CVEs and rules shown here are selected published examples, not a complete list of Atomicorp protections. If a CWE, CVE, or rule is absent from this page, no conclusion should be drawn about whether Atomicorp protects against that weakness or attack method.

A CWE describes a class of software weakness. It does not identify one exploit request, and association with a CWE does not mean that every vulnerability or exploitation path in that category is detected or blocked.

Selected Published CVE Observations

Associated Atomicorp WAF Rules