Prototype pollution vulnerability in function resolveShims in resolve-shims.js in…
Priority MEDIUM 52CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
Prototype pollution vulnerability in function resolveShims in resolve-shims.js in thlorenz browserify-shim 3.8.15 via the fullPath variable in resolve-shims.js.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01373 72nd percentileScored 2026-11-07
Fix Fixed browserify-shim (npm): 3.8.16
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | browserify-shim (npm) | before 3.8.16 | 3.8.16 | Patch available | GHSA-r737-347m-wqc7 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- browserify-shim (npm) Vendor— Affected before 3.8.16 Fixed in 3.8.16 Patch available GHSA-r737-347m-wqc7
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:browserify-shim_project:browserify-shim:3.8.15:*:*:*:*:node.js:*:* | 3.8.15 | Vulnerable | Browserify-shim Project |
- cpe:2.3:a:browserify-shim_project:browserify-shim:3.8.15:*:*:*:*:node.js:*:* Versions 3.8.15 Vulnerable ·Browserify-shim Project
Remediation
- Fix · GHSA-r737-347m-wqc7 browserify-shim (npm) Fixed in 3.8.16 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-37621
- 2026-10-03 Alias added: GHSA-r737-347m-wqc7
References
Advisory 4
- https://github.com/thlorenz/browserify-shim/blob/464b32bbe142664cd9796059798f6c738ea3de8f/lib/resolve-shims.js#L158
- https://github.com/thlorenz/browserify-shim/blob/464b32bbe142664cd9796059798f6c738ea3de8f/lib/resolve-shims.js#L37
- https://github.com/thlorenz/browserify-shim/issues/247
- https://nvd.nist.gov/vuln/detail/CVE-2022-37621
More Browserify-shim Project Browserify-shim vulnerabilities
- TI-2022-17525 Prototype pollution vulnerability in function resolveShims in resolve-shims.js in… CVSS 3.1CRITICAL 9.8
- TI-2022-17522 Prototype pollution vulnerability in function resolveShims in resolve-shims.js in… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-37621 · CVE Program
- CVE-2022-37621 · NVD
- FIRST EPSS
- GHSA-r737-347m-wqc7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences