CVE-2021-26314
Estado: ModificadaMedia (5.5)—
Potential floating point value injection in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution with incorrect floating point results, may cause the use of incorrect data from FPVI and may result in data leakage.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.61%
- Percentil entre todas las CVEs puntuadas: 47
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (8)
CWE
- CWE-208
- CWE-203
Referencias
- http://www.openwall.com/lists/oss-security/2021/06/09/2
- http://www.openwall.com/lists/oss-security/2021/06/10/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003
- http://www.openwall.com/lists/oss-security/2021/06/09/2
- http://www.openwall.com/lists/oss-security/2021/06/10/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-26314",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 2.1,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "psirt@amd.com",
"affectedData": [
{
"vendor": "AMD",
"product": "All supported processors",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "undefined",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-06-09T12:15:07.810",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2021/06/09/2",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "psirt@amd.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2021/06/10/1",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"source": "psirt@amd.com"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/",
"source": "psirt@amd.com"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/",
"source": "psirt@amd.com"
},
{
"url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003",
"tags": [
"Vendor Advisory"
],
"source": "psirt@amd.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2021/06/09/2",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2021/06/10/1",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@amd.com",
"description": [
{
"lang": "en",
"value": "CWE-208"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-203"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Potential floating point value injection in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution with incorrect floating point results, may cause the use of incorrect data from FPVI and may result in data leakage."
},
{
"lang": "es",
"value": "Una inyección de valor de punto flotante potencial en todos los productos de CPU compatibles, junto con las vulnerabilidades de software relacionadas con la ejecución especulativa con resultados de punto flotante incorrectos, puede causar el uso de datos incorrectos de FPVI y puede resultar en una filtración de datos"
}
],
"lastModified": "2026-06-17T03:43:05.870",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C2B9CCC2-BAC5-4A65-B8D4-4B71EBBA0C2F"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amd:ryzen_5_5600x:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "6FD86A5C-A9A9-4C84-91D9-54F2516E8487"
},
{
"criteria": "cpe:2.3:h:amd:ryzen_7_2700x:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "CD6DE86B-DAAA-4A3B-9FFF-0583D5CB1B1E"
},
{
"criteria": "cpe:2.3:h:amd:ryzen_threadripper_2990wx:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B1B5369B-DFFE-4A84-8894-513AE7FC7C6C"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:arm:cortex-a72:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "16E23102-964E-485D-8EFF-4B1BBFE6EDE4"
},
{
"criteria": "cpe:2.3:h:broadcom:bcm2711:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0DC0C7D8-18F4-43B4-A8CA-8183022DF0FB"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:intel:core_i7-10700k:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6CC9312B-40A7-4D4A-A61C-3BA865C29F63"
},
{
"criteria": "cpe:2.3:h:intel:core_i7-7700k:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "913BBEFF-49E7-42AF-A850-B49E5A12AB98"
},
{
"criteria": "cpe:2.3:h:intel:core_i9-9900k:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7C3257F5-CA55-4F35-9D09-5B85253DE786"
},
{
"criteria": "cpe:2.3:h:intel:xeon_silver_4214:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E1B4F7FE-61A3-417A-BAA9-E686A76F3A94"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@amd.com"
}