CVE-2021-38506

Katalog CVE

CVSS 4.3 · Medium EPSS 1,5%

Kerentanan Improper Restriction of Rendered UI Layers or Frames pada mozilla firefox, mozilla firefox esr +2 lainnya. Skor CVSS 3.1 4.3 (Medium) menurut NVD.

Deskripsi (NVD)

Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. 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

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

Jenis kelemahan (CWE)

CWE-1021: Improper Restriction of Rendered UI Layers or Frames

EPSS (30 hari)

1,5% peluang dieksploitasi; lebih tinggi dari 73,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1730750 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