CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-23597
High (7.5) in fastify fastify-multipart. EPSS 2.0% chance of exploitation in the next 30 days. Fixed in fastify-multipart 5.3.1.
This affects the package fastify-multipart before 5.3.1. By providing a name=constructor property it is still possible to crash the application. **Note:** This is a bypass of CVE-2020-8136 (https://security.snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-1290382).
Severity
- EPSS
- 2.0% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1321
- Published
- Modified
- Record from
- the NVD, synced
Affected
- fastify:fastify-multipart
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-qh73-qc3p-rjv2 | npm | fastify-multipart | <5.3.1 | 5.3.1 |
References
- https://github.com/fastify/fastify-multipart/commit/a70dc7059a794589bd4fe066453141fc609e6066
- https://github.com/fastify/fastify-multipart/releases/tag/v5.3.1
- https://snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-2395480
- https://github.com/fastify/fastify-multipart/commit/a70dc7059a794589bd4fe066453141fc609e6066
- https://github.com/fastify/fastify-multipart/releases/tag/v5.3.1