CVEvulnerability
CVE-2021-23961
7.4 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.4 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Description
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.
Affected configurations
• mozilla firefox (< 85.0)
• debian debian linux 9.0
• debian debian linux 10.0
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1677940 Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202104-09 Third Party Advisory
- https://security.gentoo.org/glsa/202104-10 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4895 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4897 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-03/ Release Notes, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1677940 Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202104-09 Third Party Advisory
- https://security.gentoo.org/glsa/202104-10 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4895 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4897 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-03/ Release Notes, Vendor Advisory