CVE-2020-12401
At a glance
- Severity
- Not available
- EPSS
- EPSS 0.33 % · percentile 26 (2026-10-28)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mozilla
- NVD status
- Modified
Description
During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | LOW 1.9 | AV:L/AC:M/Au:N/C:P/I:N/A:N | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2020-4713
- GCVE · GCVE-0-2020-12401
CERT-FR advisories
- CERTFR-2024-AVI-1103 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0575 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
- CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr
- CERTFR-2020-AVI-543 — Multiples vulnérabilités dans Mozilla Firefox · cert.ssi.gouv.fr
- CERTFR-2020-AVI-532 — Multiples vulnérabilités dans Mozilla Firefox · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*< 80.0cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*< 80.0
Affected products
| Product | Versions |
|---|---|
| Mozilla · Firefox | affected unspecified < 80 |
| Mozilla · Firefox for Android | affected unspecified < 80 |
References
- https://www.mozilla.org/security/advisories/mfsa2020-39/
- https://www.mozilla.org/security/advisories/mfsa2020-36/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631573
- https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |