CVE-2026-20153
Full vulnerability record from the local CVENow database.
Description
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20153 are related to improper input validation that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Undergoing Analysis
Source identifier
Published
2026-07-15 17:16:47.247000
Last modified
2026-10-24 21:10:00.130000
View original CVE JSON
{
"id": "CVE-2026-20153",
"sourceIdentifier": "[email protected]",
"published": "2026-07-15T17:16:47.247",
"lastModified": "2026-10-24T21:10:00.130",
"vulnStatus": "Undergoing Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20153 are related to improper input validation that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20."
},
{
"lang": "es",
"value": "Como parte del compromiso continuo de Cisco con la seguridad proactiva y la calidad del producto, el equipo de ingeniería de Cisco RoomOS ha llevado a cabo una revisión de seguridad interna exhaustiva. Esta revisión resultó en una versión de endurecimiento de software que aborda múltiples vulnerabilidades descubiertas internamente.\n\nLas vulnerabilidades rastreadas por CVE-2026-20153 están relacionadas con una validación de entrada incorrecta que se agrupan bajo el pilar CWE-20 de la enumeración de debilidades comunes (CWE)."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco RoomOS Software",
"defaultStatus": "unknown",
"versions": [
{
"version": "RoomOS 10.11.2.2",
"status": "affected"
},
{
"version": "RoomOS 10.15.2.2",
"status": "affected"
},
{
"version": "RoomOS 11.5.4.6",
"status": "affected"
},
{
"version": "RoomOS 11.5.2.4",
"status": "affected"
},
{
"version": "RoomOS 10.8.2.5",
"status": "affected"
},
{
"version": "RoomOS 10.11.5.2",
"status": "affected"
},
{
"version": "RoomOS 10.11.3.0",
"status": "affected"
},
{
"version": "RoomOS 10.15.5.3",
"status": "affected"
},
{
"version": "RoomOS 10.19.2.2",
"status": "affected"
},
{
"version": "RoomOS 11.1.3.1",
"status": "affected"
},
{
"version": "RoomOS 10.11.6.0",
"status": "affected"
},
{
"version": "RoomOS 10.19.3.0",
"status": "affected"
},
{
"version": "RoomOS 10.19.4.2",
"status": "affected"
},
{
"version": "RoomOS 10.3.2.4",
"status": "affected"
},
{
"version": "RoomOS 10.3.4.0",
"status": "affected"
},
{
"version": "RoomOS 10.15.3.0",
"status": "affected"
},
{
"version": "RoomOS 11.1.4.1",
"status": "affected"
},
{
"version": "RoomOS 11.14.2.3",
"status": "affected"
},
{
"version": "RoomOS 11.1.2.4",
"status": "affected"
},
{
"version": "RoomOS 10.8.3.1",
"status": "affected"
},
{
"version": "RoomOS 11.14.2.1",
"status": "affected"
},
{
"version": "RoomOS 10.3.3.0",
"status": "affected"
},
{
"version": "RoomOS 10.8.4.0",
"status": "affected"
},
{
"version": "RoomOS 10.15.4.1",
"status": "affected"
},
{
"version": "RoomOS 10.19.5.6",
"status": "affected"
},
{
"version": "RoomOS 10.11.4.1",
"status": "affected"
},
{
"version": "RoomOS 11.9.3.1",
"status": "affected"
},
{
"version": "RoomOS 11.5.3.3",
"status": "affected"
},
{
"version": "RoomOS 10.3.2.0",
"status": "affected"
},
{
"version": "RoomOS 11.9.2.4",
"status": "affected"
},
{
"version": "RoomOS 11.14.3.0",
"status": "affected"
},
{
"version": "RoomOS 11.17.2.2",
"status": "affected"
},
{
"version": "RoomOS 11.14.4.0",
"status": "affected"
},
{
"version": "RoomOS 10.19 StepUpg",
"status": "affected"
},
{
"version": "RoomOS 11.17.3.0",
"status": "affected"
},
{
"version": "RoomOS 11.20.2.3",
"status": "affected"
},
{
"version": "RoomOS 11.14.5.0",
"status": "affected"
},
{
"version": "RoomOS 11.17.4.0",
"status": "affected"
},
{
"version": "RoomOS 11.20.3.0",
"status": "affected"
},
{
"version": "RoomOS 11.23.1.6",
"status": "affected"
},
{
"version": "RoomOS 11.23.1.8",
"status": "affected"
},
{
"version": "RoomOS 11.24.1.5",
"status": "affected"
},
{
"version": "RoomOS 11.24.2.4",
"status": "affected"
},
{
"version": "RoomOS 11.24.3.0",
"status": "affected"
},
{
"version": "RoomOS 11.24.4.1",
"status": "affected"
},
{
"version": "RoomOS 11.27.2.0",
"status": "affected"
},
{
"version": "RoomOS 11.28.1.3",
"status": "affected"
},
{
"version": "RoomOS 11.27.3.0",
"status": "affected"
},
{
"version": "RoomOS 11.31.1.5",
"status": "affected"
},
{
"version": "RoomOS 11.27.4.0",
"status": "affected"
},
{
"version": "RoomOS 11.32.2.1",
"status": "affected"
},
{
"version": "RoomOS 11.33.1.7",
"status": "affected"
},
{
"version": "RoomOS 26.0.1.2",
"status": "affected"
},
{
"version": "RoomOS 11.34.1.2",
"status": "affected"
},
{
"version": "RoomOS 11.32.3.0",
"status": "affected"
},
{
"version": "RoomOS 11.27.5.0",
"status": "affected"
},
{
"version": "RoomOS 11.32.4.0",
"status": "affected"
},
{
"version": "RoomOS 26.1.1.5",
"status": "affected"
},
{
"version": "RoomOS 11.35.1.2",
"status": "affected"
},
{
"version": "RoomOS 26.2.2.2",
"status": "affected"
},
{
"version": "RoomOS 11.32.5.1",
"status": "affected"
},
{
"version": "RoomOS 26.4.1.6",
"status": "affected"
},
{
"version": "RoomOS 26.4.1.4",
"status": "affected"
},
{
"version": "RoomOS 26.3.1.3",
"status": "affected"
},
{
"version": "RoomOS 11.36.1.1",
"status": "affected"
},
{
"version": "RoomOS 11.37.1.0",
"status": "affected"
},
{
"version": "RoomOS 26.5.2.0",
"status": "affected"
},
{
"version": "RoomOS 11.38.1.1",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-15T18:06:30.490867Z",
"id": "CVE-2026-20153",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:*",
"versionEndExcluding": "11.32.6.0",
"matchCriteriaId": "2DAB6FC3-5699-48C7-9CCE-81F9BF3811F2"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:*",
"versionStartIncluding": "26.0.1.2",
"versionEndExcluding": "26.5.2.2",
"matchCriteriaId": "B625A5DE-98DE-44D5-9044-939413A66689"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:cisco:roomos_cloud:*:*:*:*:*:*:*:*",
"versionEndExcluding": "11.39.1.1",
"matchCriteriaId": "AC956F89-2FDE-4CD9-838A-8CF133177236"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:cisco:roomos_cloud:*:*:*:*:*:*:*:*",
"versionStartIncluding": "26.0.1.2",
"versionEndExcluding": "26.7.1.7",
"matchCriteriaId": "4A01FB2F-C564-428C-912C-175920AEF60C"
}
]
}
]
}
],
"references": [
{
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
]
}