CVE-2021-23961
HIGHFirefox < 85.0 - Information Exposure via Slipstream Research Techniques
Title source: llmDescription
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.
References (8)
Core 8
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://www.mozilla.org/security/advisories/mfsa2021-03/
Issue Tracking, Permissions Required, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1677940
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4895
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4897
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202104-10
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202104-09
Scores
CVSS v3
7.4
EPSS
0.0063
EPSS Percentile
70.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Details
Status
published
Products (3)
debian/debian_linux
9.0
debian/debian_linux
10.0
mozilla/firefox
< 85.0
Published
Feb 26, 2021
Tracked Since
Feb 18, 2026