CVE-2021-23961 Information

Description

Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network’s hosts as well as services running on the user’s local machine. This vulnerability affects Firefox < 85.

CVSS Vector

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

Reference

https://www.mozilla.org/security/advisories/mfsa2021-03/ https://bugzilla.mozilla.org/show_bug.cgi?id=1677940 https://www.debian.org/security/2021/dsa-4895 https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html https://www.debian.org/security/2021/dsa-4897 https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html https://security.gentoo.org/glsa/202104-09 https://security.gentoo.org/glsa/202104-10

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.4