Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 85.0 |
| Debian | Debian Linux | 9.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1677940Issue TrackingPermissions RequiredVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00019.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00020.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202104-09Third Party Advisory
- https://security.gentoo.org/glsa/202104-10Third Party Advisory
- https://www.debian.org/security/2021/dsa-4895Third Party Advisory
- https://www.debian.org/security/2021/dsa-4897Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-03/Release NotesVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1677940Issue TrackingPermissions RequiredVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00019.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00020.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202104-09Third Party Advisory
- https://security.gentoo.org/glsa/202104-10Third Party Advisory
- https://www.debian.org/security/2021/dsa-4895Third Party Advisory
- https://www.debian.org/security/2021/dsa-4897Third Party Advisory
FAQ
What is CVE-2021-23961?
CVE-2021-23961 is a vulnerability with a CVSS score of 7.4 (HIGH). 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. ...
How severe is CVE-2021-23961?
CVE-2021-23961 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-23961?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Debian Debian Linux.