Overview
- Description
- An attacker with physical access to Nuvoton Trusted Platform Module (NPCT75x 7.2.x before 7.2.2.0) could extract an Elliptic Curve Cryptography (ECC) private key via a side-channel attack against ECDSA, because of an Observable Timing Discrepancy.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 3.8
- Impact score
- 3.6
- Exploitability score
- 0.2
- Vector string
- CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
- Severity
- LOW
CVSS 2.0
- Type
- Primary
- Base score
- 1.9
- Impact score
- 2.9
- Exploitability score
- 3.4
- Vector string
- AV:L/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
- nvd@nist.gov
- CWE-203
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:nuvoton:npct75x:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "17DAAE4D-AC8A-44CC-A6A9-66E773DCB11F"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:o:nuvoton:npct75x_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3EC7A422-C144-418F-9642-B5FEFC1D16E1",
"versionEndExcluding": "7.2.2.0",
"versionStartIncluding": "7.2.0"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
]