CVE-2021-23982

medium

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

https://www.mozilla.org/security/advisories/mfsa2021-11/

https://www.mozilla.org/security/advisories/mfsa2021-12/

https://www.mozilla.org/security/advisories/mfsa2021-10/

https://bugzilla.mozilla.org/show_bug.cgi?id=1677046

Details

Source: MITRE

Published: 2021-03-31

Updated: 2021-08-06

Type: CWE-326

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

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

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM