CVE-2021-3672

Katalog CVE

CVSS 5.6 · Medium EPSS 2,8%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada c-ares project c-ares, fedoraproject fedora +15 lainnya. Skor CVSS 3.1 5.6 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.

Rincian

Terbit di NVD

23 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

2,8% peluang dieksploitasi; lebih tinggi dari 86,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://c-ares.haxx.se/adv_20210810.html exploit · patch · advisory vendor
• https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf patch · advisory pihak ketiga
• https://bugzilla.redhat.com/show_bug.cgi?id=1988342 issue tracking · advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpujul2022.html advisory pihak ketiga
• https://security.gentoo.org/glsa/202401-02