In Brave Desktop 1.17 through 1.33 before 1.33.106, when CNAME-based adblocking and a proxying extension with a SOCKS fallback are enabled, additional DNS requests are issued outside of the proxying extension using the system's DNS settings, resulting in information disclosure. NOTE: this issue exists because of an incomplete fix for CVE-2021-21323 and CVE-2021-22916.
Published 2021-12-27 22:15:08
Updated 2022-01-07 19:48:06
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Information leak

Exploit prediction scoring system (EPSS) score for CVE-2021-45884

Probability of exploitation activity in the next 30 days: 0.11%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 42 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-45884

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.3
MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST

CWE ids for CVE-2021-45884

References for CVE-2021-45884

Products affected by CVE-2021-45884

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