轉發 台灣電腦網路危機處理暨協調中心 資安訊息警訊 TWCERTCC-200-202604-00000019

[內容說明]
近日Cisco發布重大資安漏洞公告(CVE-2026-20184，CVSS：9.8)，此漏洞源於憑證驗證不當，在Cisco Webex Services 單一登入(SSO)與Control Hub整合過程中，可能允許未經身分驗證的遠端攻擊者冒充服務中的任意使用者。

[影響平台]
當Cisco Webex Services設定透過SSO 與 Control Hub整合過程

[建議措施]
根據官方網站釋出的解決方式進行修補
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-cui-cert-8jSZYhWL

[參考資料]
1. https://www.twcert.org.tw/tw/cp-169-10850-80e46-1.html
Forwarded from Taiwan Computer Network Crisis Management and Coordination Center: Cybersecurity Alert TWCERTCC-200-202604-00000019

[Content Description]
Cisco recently released a critical cybersecurity vulnerability announcement (CVE-2026-20184, CVSS: 9.8). This vulnerability stems from improper credential verification. During the integration of Cisco Webex Services Single Sign-On (SSO) and Control Hub, it may allow unauthenticated remote attackers to impersonate any user within the service.

[Affected Platforms]
When Cisco Webex Services is configured to integrate with Control Hub via SSO

[Recommended Actions]
Repair according to the solutions released on the official website:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-cui-cert-8jSZYhWL

[References]
1. https://www.twcert.org.tw/tw/cp-169-10850-80e46-1.html