Vulnerability in Mozilla Firefox
CVE-2016-2820
The Firefox Health Reports (aka FHR or about:healthreport) feature in Mozilla Firefox before 46.0 does not properly restrict the origin of events, which makes it easier for remote attackers to modify sharing preferences by leveraging access to the remote-report IFRAME element.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.014 (71.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html (vendor-advisory)
- www.securitytracker.com/id/1035692 (vdb-entry)
- lists.opensuse.org/opensuse-updates/2016-05/msg00038.html (vendor-advisory)
- www.ubuntu.com/usn/USN-2936-2 (vendor-advisory)
- security.gentoo.org/glsa/201701-15 (vendor-advisory)
- www.ubuntu.com/usn/USN-2936-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2936-3 (vendor-advisory)
- www.mozilla.org/security/announce/2016/mfsa2016-48.html (Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi
Frequently asked questions
- What is CVE-2016-2820?
- CVE-2016-2820 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Access Control. CVSS score: 4.3/10. Published 2016-04-30.
- How severe is CVE-2016-2820?
- Medium severity. CVSS v3 base score is 4.3 out of 10.