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MEDIUM · 4.3

CVE-2020-12404

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 vulnerab...

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
MozillaFirefox< 26.0

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2020-12404?

CVE-2020-12404 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 vulnerab...

How severe is CVE-2020-12404?

CVE-2020-12404 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-12404?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.