CVE-2021-38509

Katalog CVE

CVSS 4.3 · Medium EPSS 1,8%

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)

Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. 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)

1,8% peluang dieksploitasi; lebih tinggi dari 77,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1718571 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 mailing list · advisory pihak ketiga