CVE-2021-22769
Estado: ModificadaMedia (4.3)—
A CWE-552: Files or Directories Accessible to External Parties vulnerability exists in Easergy T300 with firmware V2.7.1 and older that could expose files or directory content when access from an attacker is not restricted or incorrectly restricted.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 4.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.65%
- Percentil entre todas las CVEs puntuadas: 50
- Fecha de la puntuación: 6/10/2026
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-552
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-22769",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-22769",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-06-29T13:24:15.548623Z"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cybersecurity@se.com",
"affectedData": [
{
"vendor": "n/a",
"product": "Easergy T300 with firmware V2.7.1 and older",
"versions": [
{
"status": "affected",
"version": "Easergy T300 with firmware V2.7.1 and older"
}
]
}
]
}
],
"published": "2021-06-11T16:15:10.730",
"references": [
{
"url": "http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-02",
"tags": [
"Vendor Advisory"
],
"source": "cybersecurity@se.com"
},
{
"url": "http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-02",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "cybersecurity@se.com",
"description": [
{
"lang": "en",
"value": "CWE-552"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A CWE-552: Files or Directories Accessible to External Parties vulnerability exists in Easergy T300 with firmware V2.7.1 and older that could expose files or directory content when access from an attacker is not restricted or incorrectly restricted."
},
{
"lang": "es",
"value": "Un CWE-552: Archivos o directorios accesibles a partes externas en el Easergy T300 con firmware versión V2.7.1 y anterior que podría exponer el contenido de archivos o directorios cuando el acceso de un atacante no está restringido o está restringido incorrectamente."
}
],
"lastModified": "2026-06-29T14:16:34.543",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:schneider-electric:easergy_t300_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E07AFED6-47CC-4A19-80DB-C537F4F07736",
"versionEndIncluding": "2.7.1"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:schneider-electric:easergy_t300:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "45E6C3FA-001D-449A-A512-327FA0C9AC5A"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cybersecurity@se.com"
}