CVE-2016-2820

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Summary

CVECVE-2016-2820
StatePUBLISHED
Assignermozilla
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-04-30 17:59:15 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.0 4.3 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Problem Types: CWE-284 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary4.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Firefox All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[security-announce] openSUSE-SU-2016:1211-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
USN-2936-3: Firefox regression | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
870870 - (CVE-2016-2820) FHR accepts events from untrusted domains af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org
USN-2936-1: Firefox vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Firefox Health Reports could accept events from untrusted domains — Mozilla af854a3a-2127-422b-91ae-364da2661108 www.mozilla.org Vendor Advisory
USN-2936-2: Oxygen-GTK3 update | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
openSUSE-SU-2016:1251-1: moderate: Security update to Firefox 46.0 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Mozilla Firefox, Thunderbird: Multiple vulnerabilities (GLSA 201701-15) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Gain Elevated Privileges, Bypass Security Restrictions, and Obtain Potentially Sensitive Information - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 710500 Gentoo Linux Mozilla Firefox, Thunderbird Multiple Vulnerabilities (GLSA 201701-15)
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