Description
Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
References (4)
Scores
CVSS v3
6.5
EPSS
0.0012
EPSS Percentile
30.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Details
CWE
CWE-326
Status
published
Products (3)
mozilla/firefox
< 87.0
mozilla/firefox_esr
< 78.9
mozilla/thunderbird
< 78.9
Published
Mar 31, 2021
Tracked Since
Feb 18, 2026