In Brave Desktop between versions 1.17 and 1.26.60, when adblocking is enabled and a proxy browser extension is installed, the CNAME adblocking feature issues DNS requests that used the system DNS settings instead of the extension's proxy settings, resulting in possible information disclosure.
Published 2021-07-12 11:15:08
Updated 2022-08-30 22:38:54
Source HackerOne
View at NVD,   CVE.org
Vulnerability category: Information leak

Exploit prediction scoring system (EPSS) score for CVE-2021-22916

0.17%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-22916

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
NIST
5.9
MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
2.2
3.6
NIST

CWE ids for CVE-2021-22916

References for CVE-2021-22916

Products affected by CVE-2021-22916

  • Brave » Brave
    Versions from including (>=) 1.17.0 and up to, including, (<=) 1.26.60
    cpe:2.3:a:brave:brave:*:*:*:*:*:*:*:*
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