CVE-2026-20157: high-severity vulnerability in Cisco RoomOS Software
Cisco RoomOS Security Hardening Release - Missing Encryption Vulnerabilities
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.2%
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.
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Cisco · Cisco RoomOS SoftwareRelated CVEs — Cisco RoomOS Software
In the same product, most dangerous first.
CVE-2022-20783HIGHCisco TelePresence Collaboration Endpoint and RoomOS Software H.323 Denial of Service VulnerabilityEPSS 1.4%CVE-2022-20764MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software VulnerabilitiesEPSS 1.0%CVE-2022-20768MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software Information Disclosure VulnerabilityEPSS 1.0%CVE-2022-20811MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software VulnerabilitiesEPSS 0.8%CVE-2022-20794MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software VulnerabilitiesEPSS 0.7%CVE-2022-20776MEDIUMCisco TelePresence Collaboration Endpoint and RoomOS Software VulnerabilitiesEPSS 0.5%