CVE-2026-20153 | As part of Cisco's ongoing commitment to proactive security … | CVSS 7.5 HIGH

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.

Metadata

CVE ID: CVE-2026-20153
State: PUBLISHED
Assigner: cisco
Reserved: 2025-10-08 11:59 UTC
Published: 2026-07-15 16:18 UTC
Last updated: 2026-07-15 18:06 UTC
Primary CWE: CWE-20
Improper Input Validation
Vendor / Product: Cisco / Cisco RoomOS Software
Sources: cve.org · NVD

Severity & Metrics

7.5 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
Cisco	Cisco RoomOS Software	—	RoomOS 10.11.2.2, RoomOS 10.15.2.2, RoomOS 11.5.4.6, RoomOS 11.5.2.4 …

Weakness (CWE)

CWE	Source	Description
CWE-20	cna	Improper Input Validation

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.5	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (1)

cisco-sa-hardening-roomos-AqNMbEq https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq