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.
EPSS: 0.014 (69.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Mozilla Firefox
- N/a — versions n/a
Weakness classification (CWE)
References
- security@mozilla.org (vendor-advisory, x_refsource_SUSE)
- security@mozilla.org (vdb-entry, x_refsource_SECTRACK)
- security@mozilla.org (vendor-advisory, x_refsource_SUSE)
- security@mozilla.org (x_refsource_UBUNTU, vendor-advisory)
- security@mozilla.org (vendor-advisory, x_refsource_GENTOO)
- security@mozilla.org (x_refsource_UBUNTU, vendor-advisory)
- security@mozilla.org (x_refsource_UBUNTU, vendor-advisory)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- security@mozilla.org (x_refsource_CONFIRM)
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.