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cve[email protected]CVE-2021-22917
HistoryJul 12, 2021 - 11:15 a.m.

CVE-2021-22917

2021-07-1211:15:00
NVD-CWE-Other
web.nvd.nist.gov
15
6
brave browser
desktop
cve-2021-22917
information disclosure
dns requests
tor
adblocking

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

6.2 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

0.002 Low

EPSS

Percentile

52.1%

Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by way of DNS requests in Tor windows not flowing through Tor if adblocking was enabled.

CPENameOperatorVersion
brave:browserbrave browserlt1.20

Social References

More

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

6.2 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

0.002 Low

EPSS

Percentile

52.1%

Related for CVE-2021-22917