A vulnerability exists in WebRTC where malicious web content can use probing techniques on the getUserMedia API using constraints to…

Description

A vulnerability exists in WebRTC where malicious web content can use probing techniques on the getUserMedia API using constraints to reveal device properties of cameras on the system without triggering a user prompt or notification. This allows for the potential fingerprinting of users. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.

Scores

EPSS (exploitation in 30 days)

0.90% · top 40% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• Camera information available without prompting using getUserMedia

Affected products

• Mozilla · Firefox

  • affected unspecified – < 69

• Mozilla · Firefox ESR

  • affected unspecified – < 68.1

References (5)

• https://bugzilla.mozilla.org/show_bug.cgi?id=1565374 (opens in a new tab)x_refsource_MISCx_transferred
• https://www.mozilla.org/security/advisories/mfsa2019-25/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://www.mozilla.org/security/advisories/mfsa2019-26/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• openSUSE-SU-2019:2251 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2019:2260 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_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

[![CVE-2019-11749](https://trackcve.app/badge/CVE-2019-11749.svg)](https://trackcve.app/cve/CVE-2019-11749)

Record last updated 4 Aug 2024, 23:03 UTC.