CVE-2022-21221

Katalog CVE

CVSS 7.5 · High EPSS 2,5%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada fasthttp project fasthttp. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

The package github.com/valyala/fasthttp before 1.34.0 are vulnerable to Directory Traversal via the ServeFile function, due to improper sanitization. It is possible to be exploited by using a backslash %5c character in the path. **Note:** This security issue impacts Windows users only.

Rincian

Terbit di NVD

17 Maret 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

2,5% peluang dieksploitasi; lebih tinggi dari 84,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8 patch · advisory pihak ketiga
• https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1 patch · advisory pihak ketiga
• https://github.com/valyala/fasthttp/issues/1226 exploit · issue tracking · patch · advisory pihak ketiga
• https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866 exploit · patch · advisory pihak ketiga
• https://github.com/valyala/fasthttp/releases/tag/v1.34.0 release notes · advisory pihak ketiga