Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2016-2820

4.3 · MEDIUM

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 modi…

Published Apr 30, 2016CWE-284EPSS 1.41%

Overview

CVE-2016-2820 is a medium-severity vulnerability. It was published on April 30, 2016 and has a CVSS 3.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2016-05/msg00005.htmlReflists.opensuse.org/opensuse-updates/2016-05/msg00038.htmlRefwww.mozilla.org/security/announce/2016/mfsa2016-48.htmlRefwww.securitytracker.com/id/1035692Refwww.ubuntu.com/usn/USN-2936-1Refwww.ubuntu.com/usn/USN-2936-2Refwww.ubuntu.com/usn/USN-2936-3Refbugzilla.mozilla.org/show_bug.cgi?id=870870Refsecurity.gentoo.org/glsa/201701-15Reflists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html

How CyberStrike helps

Frequently asked questions

What is CVE-2016-2820?

CVE-2016-2820 is a medium-severity vulnerability. It was published on April 30, 2016 and has a CVSS 3.0 base score of 4.3 (MEDIUM).

How severe is CVE-2016-2820?

This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-2820?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-2820?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-2820 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related MEDIUM CVEs from 2016

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999