CVE-2021-38503

Katalog CVE

CVSS 10.0 · Critical EPSS 4,1%

Kerentanan Incorrect Authorization pada mozilla firefox, mozilla firefox esr +2 lainnya. Skor CVSS 3.1 10.0 (Critical) menurut NVD.

Deskripsi (NVD)

The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Rincian

Terbit di NVD

8 Desember 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-863: Incorrect Authorization

EPSS (30 hari)

4,1% peluang dieksploitasi; lebih tinggi dari 90,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1729517 issue tracking · permissions required · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-48/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-49/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-50/ advisory vendor
• https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202202-03 advisory pihak ketiga
• https://security.gentoo.org/glsa/202208-14 advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-5026 advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5034 advisory pihak ketiga