CVE-2020-12401

2020-10-0800:00:00

mozilla

www.cve.org

5.9 Medium

AI Score

Confidence

Low

0.0005 Low

EPSS

Percentile

17.1%

JSON

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.

CNA Affected

[
  {
    "vendor": "Mozilla",
    "product": "Firefox",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "80",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Firefox for Android",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "80",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]