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EPSS 0.1%top 99%

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive… (CVE-2026-20157)

0
High
Published: 07/15/2026 (07/15/2026, 18:31:56 UTC)
Source: GCVE 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-2026-20156 are related to improper restriction of operations within the bounds of a memory buffer that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-119.

CVSS v3.1

Score 7.5high

Attack Vector
Adjacent Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Affected versions
RoomOS 10.11.2.2RoomOS 10.15.2.2RoomOS 11.5.4.6RoomOS 11.5.2.4RoomOS 10.8.2.5RoomOS 10.11.5.2RoomOS 10.11.3.0RoomOS 10.15.5.3RoomOS 10.19.2.2RoomOS 11.1.3.1RoomOS 10.11.6.0RoomOS 10.19.3.0RoomOS 10.19.4.2RoomOS 10.3.2.4RoomOS 10.3.4.0RoomOS 10.15.3.0RoomOS 11.1.4.1RoomOS 11.14.2.3RoomOS 11.1.2.4RoomOS 10.8.3.1RoomOS 11.14.2.1RoomOS 10.3.3.0RoomOS 10.8.4.0RoomOS 10.15.4.1RoomOS 10.19.5.6RoomOS 10.11.4.1RoomOS 11.9.3.1RoomOS 11.5.3.3RoomOS 10.3.2.0RoomOS 11.9.2.4RoomOS 11.14.3.0RoomOS 11.17.2.2RoomOS 11.14.4.0RoomOS 10.19 StepUpgRoomOS 11.17.3.0RoomOS 11.20.2.3RoomOS 11.14.5.0RoomOS 11.17.4.0RoomOS 11.20.3.0RoomOS 11.23.1.6RoomOS 11.23.1.8RoomOS 11.24.1.5RoomOS 11.24.2.4RoomOS 11.24.3.0RoomOS 11.24.4.1RoomOS 11.27.2.0RoomOS 11.28.1.3RoomOS 11.27.3.0RoomOS 11.31.1.5RoomOS 11.27.4.0RoomOS 11.32.2.1RoomOS 11.33.1.7RoomOS 26.0.1.2RoomOS 11.34.1.2RoomOS 11.32.3.0RoomOS 11.27.5.0RoomOS 11.32.4.0RoomOS 26.1.1.5RoomOS 11.35.1.2RoomOS 26.2.2.2RoomOS 11.32.5.1RoomOS 26.4.1.6RoomOS 26.4.1.4RoomOS 26.3.1.3RoomOS 11.36.1.1RoomOS 11.37.1.0RoomOS 26.5.2.0RoomOS 11.38.1.1

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/15/2026, 05:43:10 UTC

Technical Analysis

Cisco RoomOS underwent an internal security review that uncovered multiple vulnerabilities related to improper access control, categorized under CWE-284. These vulnerabilities are tracked as CVE-2026-20157 and have a CVSS 3.1 base score of 7.5, indicating high severity with impacts to confidentiality, integrity, and availability. The vulnerabilities are part of a broader set tracked under CVE-2026-20150. No affected versions are explicitly stated, and no known exploits have been reported. Cisco issued a software hardening release to remediate these issues.

Potential Impact

The vulnerabilities could allow unauthorized access or actions due to improper access control, potentially compromising confidentiality, integrity, and availability of the affected Cisco RoomOS systems. The high CVSS score reflects significant impact if exploited. However, no active exploitation has been reported.

Mitigation Recommendations

Cisco has released a software hardening update that addresses these vulnerabilities. Users should apply the update as provided by Cisco to remediate the issues. Patch status is not explicitly confirmed in the provided data; therefore, check Cisco's official advisory for the latest remediation guidance.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-c7x8-7666-3x3f
Osv Schema Version
1.4.0
Aliases
["CVE-2026-20157"]
Ecosystems
[]
Database Specific Severity
HIGH
Cvss Version
3.1

Threat ID: 6a7ff5f3bf8831d53987f38c

Added to database: 08/15/2026, 05:15:31 UTC

Last enriched: 08/15/2026, 05:43:10 UTC

Last updated: 08/15/2026, 15:55:09 UTC

Views: 2

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