Severity by source
Remotely reachable where untrusted WS-Policy is parsed, trivially crafted nested document (AC:L), no auth typical for SOAP endpoints (PR:N); pure availability crash, no C/I impact.
Lifecycle Timeline
2Description PRE-NVD
Articles & Coverage 2
AnalysisAI
Stack-exhaustion denial of service in Apache Neethi (org.apache.neethi:neethi) before version 3.2.4 allows unauthenticated remote attackers to crash a WS-Policy parser by supplying a crafted policy document containing deeply nested policy elements that bypass Neethi's nesting-depth limit and trigger uncontrolled recursion until the thread stack is exhausted. The flaw is availability-only (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - no confidentiality or integrity impact), and exposure is limited to Java WS-* stacks that feed attacker-controlled policy into Neethi, such as Apache CXF, Axis2, or WSS4J-based services accepting inbound WSDL, policy attachments, or message content from untrusted parties; deployments that parse only trusted local policy configuration are not reachable through this vector. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an application that parses attacker-supplied WS-Policy documents through Apache Neethi before 3.2.4 - e.g. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a pure availability/denial-of-service issue (CWE-674 uncontrolled recursion / stack exhaustion) with no confidentiality or integrity impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Apache Neethi to version 3.2.4, the vendor-released patch version that enforces the nesting-depth limit correctly; because this is a library, the effective action is to bump the org.apache.neethi:neethi dependency to 3.2.4 or later in every application that bundles it and redeploy, and to confirm via dependency-tree/SBOM scanning that no transitive path still resolves an older Neethi. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all deployments of Apache Neethi and the Java WS-* stacks that embed it (Apache CXF, Axis2, WSS4J) and determine whether any accept inbound WSDL, policy attachments, or message content from untrusted sources; if so, apply immediate compensating controls such as disabling remote policy parsing, enforcing strict input validation, or placing the services behind authenticated reverse proxies. …
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