Vulnerability · Published May 26, 2020 · Assigned by mozilla

CVE-2020-12394

Low 3.3

In plain English

A low-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)3.3Low
Exploit odds (30 days)0.3%top 78.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A logic flaw in our location bar implementation could have allowed a local attacker to spoof the current location by selecting a different origin and removing focus from the input element. This vulnerability affects Firefox < 76.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20firefox76.0-r0ALPINE-CVE-2020-12394
Alpine:v3.21firefox76.0-r0ALPINE-CVE-2020-12394
Alpine:v3.22firefox76.0-r0ALPINE-CVE-2020-12394
Alpine:v3.23firefox76.0-r0ALPINE-CVE-2020-12394
Alpine:v3.21librewolf76.0-r0ALPINE-CVE-2020-12394
Alpine:v3.22librewolf76.0-r0ALPINE-CVE-2020-12394
Alpine:v3.23librewolf76.0-r0ALPINE-CVE-2020-12394
Alpine:v3.24librewolf76.0-r0ALPINE-CVE-2020-12394

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 76

References