CVEvulnerability
CVE-2021-23982
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-03-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-326
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.
Affected configurations
• mozilla firefox (< 87.0)
• mozilla firefox esr (< 78.9)
• mozilla thunderbird (< 78.9)
Related
Weakness · CWE (1)
- CWE-326 Inadequate Encryption Strength weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-10/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-11/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-12/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-10/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-11/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-12/ Vendor Advisory