CVE-2020-24855 is a medium-severity (CVSS 5.3) Path Traversal vulnerability in @easy-team/easywebpack-cli. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for @easy-team/easywebpack-cli — see the affected versions and patch details below.
easywebpack-cli Path Traversal vulnerability
Exploitation Status
No confirmed exploitation observed yet
- CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2020-24855.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
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.
@easy-team/easywebpack-clinpmDescription
Directory Traversal vulnerability in easywebpack-cli before 4.5.2 allows attackers to obtain sensitive information via crafted GET request.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | @easy-team/easywebpack-cli | all versions | 4.5.2npm install @easy-team/easywebpack-cli@4.5.2 |
Affected Products
easywebpack-clieasyjsResearch 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 @easy-team/easywebpack-cli, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update @easy-team/easywebpack-cli to 4.5.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-24855 is resolved across your whole dependency graph.
Workarounds
Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.
Frequently Asked Questions
Is CVE-2020-24855 in your dependencies?
Find it across npm, including transitive dependencies.