Vulnerability · Published Jul 9, 2020 · Assigned by mozilla

CVE-2020-12404

Medium 4.3

In plain English

A medium-severity security flaw in Firefox for iOS from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)0.8%top 43.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS < 26.

Affected products (as reported)

VendorProductVersions
Mozilla Firefox for iOS unspecified – before 26

References