CVE-2021-29987

Katalog CVE

CVSS 6.5 · Medium EPSS 0,95%

Kerentanan Improper Restriction of Excessive Authentication Attempts pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Rincian

Terbit di NVD

17 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-307: Improper Restriction of Excessive Authentication Attempts

EPSS (30 hari)

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

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1716129 issue tracking · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-33/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-36/ advisory vendor
• https://security.gentoo.org/glsa/202202-03 advisory pihak ketiga