Vulnerability in Mozilla Firefox
CVE-2019-11749
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (59.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox Esr
References
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking, Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2019-25/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2019-26/ (Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html (vendor-advisory)
Frequently asked questions
- What is CVE-2019-11749?
- CVE-2019-11749 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 4.3/10. Published 2019-09-27.
- How severe is CVE-2019-11749?
- Medium severity. CVSS v3 base score is 4.3 out of 10.