CVE-2020-7720
HIGHCVE-2020-7720 is a high-severity (CVSS 7.3) CWE-1321 vulnerability in node-forge. 2 public exploit references exist, so weaponization risk is real. O3 Security confirms whether CVE-2020-7720 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Prototype Pollution in node-forge
Real-World Exposure
How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.
node-forgenpmDescription
The package node-forge before 0.10.0 is vulnerable to Prototype Pollution via the util.setPath function. Note: Version 0.10.0 is a breaking change removing the vulnerable functions.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | node-forge | all versions | 0.10.0 |
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for node-forge. 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 node-forge to 0.10.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-7720 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-2020-7720 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-2020-7720. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Fixing This On Your OS
If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.
In Red Hat Openshift Container Storage 4 the noobaa-core container includes the affected version of node-forge as a dependency of google-p12-pem, however the vulnerable function `util.setPath` is not being used and hence this issue has been rated as having a security impact of Low. In OpenShift Container Platform…
Frequently Asked Questions
Is CVE-2020-7720 in your dependencies?
O3 detects CVE-2020-7720 across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.