CVE-2021-4305

Katalog CVE

CVSS 7.5 · High EPSS 0,95%

Kerentanan Inefficient Regular Expression Complexity pada bridgeline robots-txt-guard. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

A vulnerability was found in Woorank robots-txt-guard. It has been rated as problematic. Affected by this issue is the function makePathPattern of the file lib/patterns.js. The manipulation of the argument pattern leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The name of the patch is c03827cd2f9933619c23894ce7c98401ea824020. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217448.

Rincian

Terbit di NVD

5 Januari 2023

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:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-1333: Inefficient Regular Expression Complexity

EPSS (30 hari)

0,95% peluang dieksploitasi; lebih tinggi dari 60,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020 patch · advisory pihak ketiga
• https://github.com/Woorank/robots-txt-guard/pull/4 patch · advisory pihak ketiga
• https://vuldb.com/?ctiid.217448 permissions required · advisory pihak ketiga
• https://vuldb.com/?id.217448 advisory pihak ketiga