CVE-2024-34345
HIGHCVE-2024-34345 is a high-severity (CVSS 8.1) XML External Entity (XXE) vulnerability in @cyclonedx/cyclonedx-library. O3 Security confirms whether CVE-2024-34345 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
@cyclonedx/cyclonedx-library Improper Restriction of XML External Entity Reference vulnerability
Blast Radius
Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.
@cyclonedx/cyclonedx-librarynpmDescription
The CycloneDX JavaScript library contains the core functionality of OWASP CycloneDX for JavaScript. In 6.7.0, XML External entity injections were possible, when running the provided XML Validator on arbitrary input. This issue was fixed in version 6.7.1.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | @cyclonedx/cyclonedx-library | ≥ 6.7.0&&< 6.7.1 | 6.7.1 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for @cyclonedx/cyclonedx-library. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update @cyclonedx/cyclonedx-library to 6.7.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-34345 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether CVE-2024-34345 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to CVE-2024-34345. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2024-34345 in your dependencies?
O3 detects CVE-2024-34345 across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.