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EPSS 0.5%top 62%

CVE-2026-20187: Improper Check or Handling of Exceptional Conditions in Cisco Cisco RoomOS Software

0
High
VulnerabilityCVE-2026-20187cvecve-2026-20187gcve
Published: 07/15/2026 (07/15/2026, 16:18:37 UTC)
Source: CVE Database V5
Vendor/Project: Cisco
Product: Cisco RoomOS Software

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-2026-20187 are related to improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

CVSS v3.1

Score 7.5high

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

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/15/2026, 13:13:52 UTC

Technical Analysis

This vulnerability in Cisco RoomOS Software relates to improper check or handling of exceptional conditions (CWE-703). It was discovered internally by Cisco's engineering team during a security review and is part of a broader set of vulnerabilities addressed by a software hardening release. The CVSS 3.1 base score is 7.5, indicating a high severity with network attack vector, low attack complexity, no privileges or user interaction required, and an impact limited to availability (denial of service). No detailed technical exploit or affected version information is provided.

Potential Impact

The vulnerability can cause denial of service (availability impact) on affected Cisco RoomOS Software systems. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Cisco has conducted an internal review and released a software hardening update addressing multiple vulnerabilities including this one. Users should monitor Cisco's official advisories for patch availability and apply updates when released.

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Technical Details

Data Version
5.2
Assigner Short Name
cisco
Date Reserved
2025-10-08T11:59:15.394Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a57b64168715ace430b3834

Added to database: 07/15/2026, 16:33:05 UTC

Last enriched: 08/15/2026, 13:13:52 UTC

Last updated: 08/28/2026, 22:52:09 UTC

Views: 75

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