VULNERABILITY INTELLIGENCE

CVE-2020-6829

CVSS score5.3 MEDIUM
EPSS probability1.48%
CISA KEVNot currently listed
Published2020-10-28
Last modified2026-08-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; which leaked partial information about the nonce used during signature generation. Given an electro-magnetic trace of a few signature generations, the private key could have been computed. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references