CVE-2020-12424

Description

When constructing a permission prompt for WebRTC, a URI was supplied from the content process. This URI was untrusted, and could have been the URI of an origin that was previously granted permission; bypassing the prompt. This vulnerability affects Firefox < 78.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2020-24/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1562600 issue tracking permissions required
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html vendor advisory mailing list third party advisory
https://security.gentoo.org/glsa/202007-10 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-12424?
CVE-2020-12424 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12424?
To fix CVE-2020-12424, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12424 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-12424 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-12424?
CVE-2020-12424 affects Mozilla Firefox.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.