CVE-2019-11856
Estado: ModificadaBaja (3.8)—
A nonce reuse vulnerability exists in the ACEView service of ALEOS before 4.13.0, 4.9.5, and 4.4.9 allowing message replay. Captured traffic to the ACEView service can be replayed to other gateways sharing the same credentials.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
- Puntuación base: 3.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.98%
- Percentil entre todas las CVEs puntuadas: 61
- 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-294
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-11856",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 4.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 3.3,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "LOW",
"privilegesRequired": "HIGH",
"confidentialityImpact": "NONE"
},
"impactScore": 2.5,
"exploitabilityScore": 0.7
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 3.8,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "HIGH",
"confidentialityImpact": "NONE"
},
"impactScore": 2.5,
"exploitabilityScore": 1.2
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2020-08-21T19:15:11.700",
"references": [
{
"url": "https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2020-004/",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2020-004/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-294"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A nonce reuse vulnerability exists in the ACEView service of ALEOS before 4.13.0, 4.9.5, and 4.4.9 allowing message replay. Captured traffic to the ACEView service can be replayed to other gateways sharing the same credentials."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de reutilización del nonce en el servicio ACEView de ALEOS versiones anteriores a 4.13.0, 4.9.5 y 4.4.9, permitiendo la reproducción de mensajes. El tráfico capturado en el servicio ACEView puede ser reproducido en otras puertas de enlace que comparten las mismas credenciales."
}
],
"lastModified": "2026-06-17T02:13:45.477",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B27D45F9-CCAD-4AF0-A71B-80024487F723",
"versionEndIncluding": "4.12.0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_lx40:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "C4CEDB07-37C9-444F-9670-1807E7C3E734"
},
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_lx60:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "631F6248-DA94-4BF8-9F78-3636CBD67F2E"
},
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_mp70:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "3D40D05C-2C06-40D7-A060-AB695909E559"
},
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_mp70e:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "AD91027A-EFC8-4A29-B880-CE39D00DF86F"
},
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_rv50:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "282D04AE-5657-42C6-9EF1-89FA8388D746"
},
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_rv50x:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "AA1C2197-E412-4FE2-8DE8-3048A3727A58"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "58D50C5D-E9ED-487D-A2F5-BF3381E8176B",
"versionEndIncluding": "4.9.4"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_es450:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "3E042BE5-9B2E-42B9-B455-FDB35251B0A6"
},
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_gx450:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F20FC147-11AF-4E39-978A-0BC270B3CF01"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FD0A0C54-3887-47DE-AD40-C7F9601024F4",
"versionEndIncluding": "4.4.8"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_es440:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A539809A-2F36-49E5-B6E1-7D13057CB5CC"
},
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_gx400:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "3ED4507B-D487-40BB-8F0C-DDE252844BF7"
},
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_gx440:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "2F6861FB-F310-4B6D-BEDD-0B1611E5CE2D"
},
{
"criteria": "cpe:2.3:h:sierrawireless:airlink_ls300:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "06302D92-3C19-414A-B976-779FE9B01915"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}