CVE-2020-4320
Estado: ModificadaMedia (6.5)—
IBM MQ Appliance e IBM MQ AMQP Channels versiones 8.0, 9.0 LTS, 9.1 LTS y 9.1 CD, no bloquean ni habilitan correctamente a los clientes basados en la configuración SSLPEER del nombre distinguido del certificado. IBM X-Force ID: 177403
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.72%
- Percentil entre todas las CVEs puntuadas: 53
- Fecha de la puntuación: 17/10/2026
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-295
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-4320",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Secondary",
"source": "psirt@us.ibm.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.6
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "psirt@us.ibm.com",
"affectedData": [
{
"vendor": "IBM",
"product": "MQ",
"versions": [
{
"status": "affected",
"version": "8.0"
},
{
"status": "affected",
"version": "9.0.LTS"
},
{
"status": "affected",
"version": "9.1.LTS"
},
{
"status": "affected",
"version": "9.1.CD"
}
]
}
]
}
],
"published": "2020-06-16T14:15:11.463",
"references": [
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/177403",
"tags": [
"VDB Entry",
"Vendor Advisory"
],
"source": "psirt@us.ibm.com"
},
{
"url": "https://www.ibm.com/support/pages/node/5736885",
"tags": [
"Vendor Advisory"
],
"source": "psirt@us.ibm.com"
},
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/177403",
"tags": [
"VDB Entry",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.ibm.com/support/pages/node/5736885",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-295"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "IBM MQ Appliance and IBM MQ AMQP Channels 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD do not correctly block or allow clients based on the certificate distinguished name SSLPEER setting. IBM X-Force ID: 177403."
},
{
"lang": "es",
"value": "IBM MQ Appliance e IBM MQ AMQP Channels versiones 8.0, 9.0 LTS, 9.1 LTS y 9.1 CD, no bloquean ni habilitan correctamente a los clientes basados en la configuración SSLPEER del nombre distinguido del certificado. IBM X-Force ID: 177403"
}
],
"lastModified": "2026-06-17T03:19:49.647",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8E9843A4-04F5-4511-AFDE-E10FE9EEA656",
"versionEndExcluding": "8.0.0.15",
"versionStartIncluding": "8.0.0.0"
},
{
"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "03F00921-9822-4065-876C-1B53D19989FA",
"versionEndExcluding": "9.0.0.10",
"versionStartIncluding": "9.0.0.0"
},
{
"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8AB35A75-BE63-4CD3-AB00-DF7FC284A2C0",
"versionEndExcluding": "9.1.5",
"versionStartIncluding": "9.1.0"
},
{
"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "92E9574E-C0C0-490E-8B5D-E9F90B109302",
"versionEndExcluding": "9.1.0.5",
"versionStartIncluding": "9.1.0.0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F480AA32-841A-4E68-9343-B2E7548B0A0C"
},
{
"criteria": "cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "E492C463-D76E-49B7-A4D4-3B499E422D89"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"
},
{
"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
},
{
"criteria": "cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "91F372EA-3A78-4703-A457-751B2C98D796"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "psirt@us.ibm.com"
}