CVE-2021-22917 — MEDIUM (6.5)

Q: What is CVE-2021-22917?

CVE-2021-22917 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

Q: How severe is CVE-2021-22917?

CVE-2021-22917 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-22917?

Check the references section above for vendor advisories and patch information. Affected products include: Brave Browser.

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Brave	Browser	< 1.20

Related Weaknesses (CWE)

CWE-200

References

https://hackerone.com/reports/1077022Third Party Advisory
https://hackerone.com/reports/1077022Third Party Advisory

FAQ

What is CVE-2021-22917?

CVE-2021-22917 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

How severe is CVE-2021-22917?

CVE-2021-22917 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22917?

Check the references section above for vendor advisories and patch information. Affected products include: Brave Browser.