CVE-2021-23999

Katalog CVE

CVSS 8.8 · High EPSS 1,4%

Kerentanan Improper Privilege Management pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Rincian

Terbit di NVD

24 Juni 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-269: Improper Privilege Management
CWE-697: Incorrect Comparison

EPSS (30 hari)

1,4% peluang dieksploitasi; lebih tinggi dari 71,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1691153 exploit · issue tracking · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-14/ release notes · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-15/ release notes · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-16/ release notes · advisory vendor