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CVE-2026-20157— Cisco RoomOS Security Hardening Release - Missing Encryption Vulnerabilities

Quick assessment

Affected
Cisco Cisco RoomOS Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco RoomOS Software是美国Cisco公司的一套协作会议操作系统。 Cisco RoomOS Software存在加密问题漏洞，该漏洞源于缺少加密，可能导致未经过身份验证的攻击者通过相邻网络访问，对系统机密性、完整性和可用性造成高影响。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

CVSS 7.5 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1042

Affected Version Matrix 68

VendorProduct Version RangeStatus
Cisco Cisco RoomOS Software RoomOS 10.11.2.2 affected
RoomOS 10.15.2.2 affected
RoomOS 11.5.4.6 affected
RoomOS 11.5.2.4 affected
RoomOS 10.8.2.5 affected
RoomOS 10.11.5.2 affected
RoomOS 10.11.3.0 affected
RoomOS 10.15.5.3 affected
… +60 more rows
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I. Basic Information for CVE-2026-20157

Vulnerability Information
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Vulnerability Title
Cisco RoomOS Security Hardening Release - Missing Encryption Vulnerabilities
Source: CVE Program / CVE List V5
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-2026-20157 are related to missing encryption that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-311.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据加密缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco RoomOS Software 加密问题漏洞
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存在加密问题漏洞，该漏洞源于缺少加密，可能导致未经过身份验证的攻击者通过相邻网络访问，对系统机密性、完整性和可用性造成高影响。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
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

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco RoomOS Software RoomOS 10.11.2.2 -

II. Public POCs for CVE-2026-20157

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III. Intelligence Information for CVE-2026-20157

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Vendor Advisories for CVE-2026-20157 (1)

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

CVE-2026-20150 8.8 HIGH Cisco RoomOS Security Hardening Release - Access Control Vulnerabilities
CVE-2026-20156 8.1 HIGH Cisco RoomOS Security Hardening Release - Buffer Management Vulnerabilities
CVE-2026-20153 7.5 HIGH Cisco RoomOS Security Hardening Release - Input Validation Vulnerabilities
CVE-2026-20158 7.5 HIGH Cisco RoomOS Security Hardening Release - Resource Lifetime Management Vulnerabilities
CVE-2026-20187 7.5 HIGH Cisco RoomOS Security Hardening Release - Exceptional Conditions Handling Vulnerabilities
CVE-2026-20146 5.5 MEDIUM Cisco Identity Services Engine Path Traversal Vulnerability

IV. Related Vulnerabilities

Same product: Cisco RoomOS Software
Same vendor: Cisco
Same weakness: CWE-311

V. Comments for CVE-2026-20157

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