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CVE-2020-12424
When constructing a permission prompt for WebRTC, a URI was supplied from the content process. This URI was untrusted, and could have been…
Medium6.5EPSS 1.6%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.6% · top 24% of all CVEs (7 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
- WebRTC permission prompt could have been bypassed by a compromised content process
- CWE-276 (opens in a new tab)All about CWE-276 and its CVEs
Affected products
References (5)
- https://www.mozilla.org/security/advisories/mfsa2020-24/ (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1562600 (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2020:0983 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2020:1017 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-202007-10 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-12424)Record last updated .