CVE-2021-23982
6.5
MEDIUM
CVSS 3.1
EPSS 0.16%
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.
How to fix CVE-2021-23982
To remediate CVE-2021-23982, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 78.9.0esr-1 or later
- —upgrade to 1:78.9.0-1 or later
Is CVE-2021-23982 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 78.9.0esr-1
- from 0, < 1:78.9.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |