CVE-2020-12404
MEDIUMCVSS 4.3/10EPSS 0.78%
Last modified
CVE-2020-12404 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.78% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 26.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631739Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-19/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631739Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-19/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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 vulnerability affects Firefox for iOS < 26.
How severe is CVE-2020-12404?
CVE-2020-12404 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.
How do I fix CVE-2020-12404?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-12404?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST