CVE-2020-6829
MEDIUM5.3EPSS 0.58%Published: 10/28/2020Modified: 4/28/2026
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.
Affected packages (2)
- Alpine/nssfrom 0, < 3.55-r0
- Debian/nssfrom 0, < 2:3.55-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |