CVE-2021-25743
Estado: AnalizadaBaja (3)—
kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not limited to the unstructured string fields in objects such as Events.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N
- Puntuación base: 3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.78%
- Percentil entre todas las CVEs puntuadas: 55
- Fecha de la puntuación: 7/10/2026
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 (1)
CWE
- CWE-150
- NVD-CWE-Other
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-25743",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 2.1,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:H/Au:S/C:N/I:P/A:N",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "HIGH",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "jordan@liggitt.net",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 3,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 1.3
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 3,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 1.3
}
]
},
"affected": [
{
"source": "jordan@liggitt.net",
"affectedData": [
{
"vendor": "Kubernetes",
"product": "Kubernetes",
"versions": [
{
"status": "affected",
"version": "unspecified",
"versionType": "custom",
"lessThanOrEqual": "1.23.1"
},
{
"status": "unknown",
"version": "next of 1.23.1",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"versionType": "custom",
"lessThanOrEqual": "1.22.5"
},
{
"status": "unknown",
"version": "next of 1.22.5",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"versionType": "custom",
"lessThanOrEqual": "1.21.8"
},
{
"status": "unknown",
"version": "next of 1.21.8",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"versionType": "custom",
"lessThanOrEqual": "1.20.14"
},
{
"status": "unknown",
"version": "next of 1.20.14",
"lessThan": "unspecified",
"versionType": "custom"
}
]
}
]
}
],
"published": "2022-01-07T00:15:07.817",
"references": [
{
"url": "https://github.com/kubernetes/kubernetes/issues/101695",
"tags": [
"Vendor Advisory"
],
"source": "jordan@liggitt.net"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220217-0003/",
"tags": [
"Third Party Advisory"
],
"source": "jordan@liggitt.net"
},
{
"url": "https://github.com/kubernetes/kubernetes/issues/101695",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220217-0003/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "jordan@liggitt.net",
"description": [
{
"lang": "en",
"value": "CWE-150"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not limited to the unstructured string fields in objects such as Events."
},
{
"lang": "es",
"value": "kubectl no neutraliza las secuencias de escape, meta o de control contenidas en los datos brutos que envía a un terminal. Esto incluye, pero no se limita, a los campos de cadena no estructurados en objetos como los Eventos"
}
],
"lastModified": "2026-06-17T03:42:23.367",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2F8AC6E5-6AF8-4881-A2F6-65BD2FC6D58A",
"versionEndIncluding": "1.25.0"
},
{
"criteria": "cpe:2.3:a:kubernetes:kubernetes:1.26.0:alpha0:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A624A6DA-8037-474D-B2AB-9CFC8B0528F3"
},
{
"criteria": "cpe:2.3:a:kubernetes:kubernetes:1.26.0:alpha1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "13839708-E353-4757-9638-90CFE181B8B0"
},
{
"criteria": "cpe:2.3:a:kubernetes:kubernetes:1.26.0:alpha2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2B7CC489-4E29-46BA-9BB9-C30F0E512DDF"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "jordan@liggitt.net"
}