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CVE-2026-20153— Cisco RoomOS Security Hardening Release - Input Validation Vulnerabilities

CVSS 7.5 · High EPSS 0.25% · P17

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 68

VendorProductVersion RangeStatus
CiscoCisco RoomOS SoftwareRoomOS 10.11.2.2affected
RoomOS 10.15.2.2affected
RoomOS 11.5.4.6affected
RoomOS 11.5.2.4affected
RoomOS 10.8.2.5affected
RoomOS 10.11.5.2affected
RoomOS 10.11.3.0affected
RoomOS 10.15.5.3affected
… +60 more rows
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I. Basic Information for CVE-2026-20153

Vulnerability Information
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Vulnerability Title
Cisco RoomOS Security Hardening Release - Input Validation Vulnerabilities
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco RoomOS Software 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco RoomOS Software是美国Cisco公司的一套协作会议操作系统。 Cisco RoomOS Software存在输入验证错误漏洞，该漏洞源于输入验证不当，可能导致拒绝服务。以下版本受到影响：RoomOS 10.11.2.2版本、RoomOS 10.15.2.2版本、RoomOS 11.5.4.6版本、RoomOS 11.5.2.4版本、RoomOS 10.8.2.5版本、RoomOS 10.11.5.2版本、RoomOS 10.11.3.0版本、RoomOS 10.15.5.3版本、
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
CiscoCisco RoomOS Software RoomOS 10.11.2.2 -

II. Public POCs for CVE-2026-20153

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III. Intelligence Information for CVE-2026-20153

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Vendor Advisories for CVE-2026-20153 (1)

Same Patch Batch · Cisco · 2026-07-15 · 7 CVEs total

CVE-2026-201508.8 HIGHCisco RoomOS Security Hardening Release - Access Control Vulnerabilities
CVE-2026-201568.1 HIGHCisco RoomOS Security Hardening Release - Buffer Management Vulnerabilities
CVE-2026-201877.5 HIGHCisco RoomOS Security Hardening Release - Exceptional Conditions Handling Vulnerabilities
CVE-2026-201587.5 HIGHCisco RoomOS Security Hardening Release - Resource Lifetime Management Vulnerabilities
CVE-2026-201577.5 HIGHCisco RoomOS Security Hardening Release - Missing Encryption Vulnerabilities
CVE-2026-201465.5 MEDIUMCisco Identity Services Engine Path Traversal Vulnerability

IV. Related Vulnerabilities

Same product: Cisco RoomOS Software
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2026-20153

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