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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00252.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Cisco Subscribe
Cisco Roomos Software Subscribe
Roomos Subscribe
Roomos Cloud Subscribe

Configuration 1 [-]

OR cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:roomos_cloud:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:roomos_cloud:*:*:*:*:*:*:*:*

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Cisco Subscribe
Cisco Roomos Software Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq cve-icon cve-icon
https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification cve-icon
History

Fri, 14 Aug 2026 21:30:00 +0000

Type Values Removed Values Added
References

Tue, 11 Aug 2026 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Cisco roomos
Cisco roomos Cloud
CPEs cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:roomos_cloud:*:*:*:*:*:*:*:*
Vendors & Products Cisco roomos
Cisco roomos Cloud

Thu, 23 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco cisco Roomos Software
Vendors & Products Cisco
Cisco cisco Roomos Software

Wed, 15 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 15 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title Cisco RoomOS Security Hardening Release - Input Validation Vulnerabilities
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-08-14T21:00:53.043Z

Reserved: 2025-10-08T11:59:15.386Z

Link: CVE-2026-20153

cve-icon Vulnrichment

Updated: 2026-07-15T18:06:34.035Z

cve-icon NVD

Status : Modified

Published: 2026-07-15T17:16:47.247

Modified: 2026-08-14T21:17:12.760

Link: CVE-2026-20153

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-31T03:30:18Z

Weaknesses