Information disclosure in Mozilla Firefox

CVE-2020-6830

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 was being used for JS-to-native also, but it isn't needed in this case, and its usage was also…

Vulnerability class: Information Disclosure

EPSS: 0.009 (55.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-6830?
CVE-2020-6830 is a high-severity vulnerability in Mozilla Firefox, classified under Information Disclosure. CVSS score: 7.5/10. Published 2020-05-26.
How severe is CVE-2020-6830?
High severity. CVSS v3 base score is 7.5 out of 10.