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CWE-305: Authentication Bypass by Primary Weakness

Weakness Summary

The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.

  • Canonical source: MITRE CWE-305 (opens in a new tab)
  • Published Atomicorp CVE observations: 3
  • Distinct affected products in those observations: 3
  • Active Atomicorp rules associated with this weakness: 17

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

CVEVulnerabilityProductAtomicorp findingObserved rules
CVE-2023-34124SonicwallanalyticsProtected by Atomicorp rules340017 , 340145 , 340156 , 341145 , 341245 , 344361 , 344362 , 344363 , 344364 , 344365 , 344366 , 360148 , 380123 , 393655
CVE-2026-81578PaperCut NG/MF Unauthenticated RCE (CVE-2026-81578 + CVE-2026-82078)papercut mfProtected by Atomicorp rules340145 , 340155 , 340156 , 341145 , 341245 , 344370 , 398110
CVE-2026-86207N-able N-central - Authentication BypassN-centralProtected by Atomicorp rules344365

Associated Atomicorp WAF Rules

RuleStatusBehavior
340017Activedisruptive (deny)
340145Activedisruptive (deny)
340155Activedisruptive (deny)
340156Activedisruptive (deny)
341145Activedisruptive (deny)
341245Activedisruptive (deny)
344361Activedisruptive (deny)
344362Activedisruptive (deny)
344363Activedisruptive (deny)
344364Activedisruptive (deny)
344365Activedisruptive (deny)
344366Activedisruptive (deny)
344370Activedisruptive (deny)
360148Activedisruptive (deny)
380123Activedisruptive (deny)
393655Activedisruptive (deny)
398110Activedisruptive (deny)