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[TWCERT 分享資安情資] Cisco 旗下防火牆系統存在重大資安漏洞(CVE-2025-20265)4
https://www.kjintelligent.com/en/ KJ Intelligent Corp.
KJ Intelligent Corp. 4F. 5A, No. 7, Sec. 3, New Taipei Blvd., Xinzhuang Dist., New Taipei City 242032 , Taiwan (R.O.C.)
【出處:台灣電腦緊急應變小組 TWCert】◎ 內容說明Cisco Secure Email Gateway 和 Secure Email and Web Manager開發團隊於內部安全審查期間發現多項安全漏洞，並已完成修補。目前尚未發現有證據顯示這些漏洞遭到積極利用。為協助客戶及時部署安全更新並簡化漏洞揭露流程，Cisco已公開相關漏洞資訊及修補建議，詳細漏洞說明請參閱「漏洞資訊」。◎ 影響平台Cisco Secure Email Gateway 15.5(含)之前版本、Cisco Secure Email Gateway 16.0 版本、Cisco Secure Email Gateway 16.5 版本、Cisco Secure Email and Web Manager 15.5(含)之前版本、Cisco Secure Email and Web Manager 16.0版本、Cisco Secure Email and Web Manager 16.5版本◎ 建議措施請更新至以下版本：Cisco Secure Email Gateway 15.5.5-014(含)之後版本、Cisco Secure Email Gateway 16.5.0-780(含)之後版本、Cisco Secure Email and Web Manager 15.5.5-006(含)之後版本、Cisco Secure Email and Web Manager 16.5.0-429(含)之後版本◎ 漏洞資訊名稱描述CVE-2026-76440 CVSS：9.8，路徑遍歷，含路徑名未正確限制到受限目錄、文件訪問前連結解析不當。CVE-2026-76441 CVSS：9.8，存取控制不當，含授權、認證、權限和繞過。CVE-2026-20353 CVSS：9.8，在資源生命週期內，對資源的控制不當，含不受控制的資源消耗、演算法複雜度等。CVE-2026-76443 CVSS：9.8，此為不適當處理漏洞。◎ 參考資訊TLP:CLEAR TWCERT-TWISAC-202609-00402Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-esa-dfCrfXkmCVE-2026-76440https://nvd.nist.gov/vuln/detail/CVE-2026-76440CVE-2026-76441https://nvd.nist.gov/vuln/detail/CVE-2026-76441CVE-2026-76443https://nvd.nist.gov/vuln/detail/CVE-2026-76443CVE-2026-20353https://nvd.nist.gov/vuln/detail/CVE-2026-20353 https://www.kjintelligent.com/en/hot_540631.html [TWCERT 分享資安情資]_Cisco Secure Email Gateway 和 Secure Email and Web Manager存在4個 重大資安漏洞 2026-10-15 2027-10-15
KJ Intelligent Corp. 4F. 5A, No. 7, Sec. 3, New Taipei Blvd., Xinzhuang Dist., New Taipei City 242032 , Taiwan (R.O.C.) https://www.kjintelligent.com/en/hot_540631.html
KJ Intelligent Corp. 4F. 5A, No. 7, Sec. 3, New Taipei Blvd., Xinzhuang Dist., New Taipei City 242032 , Taiwan (R.O.C.) https://www.kjintelligent.com/en/hot_540631.html
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Home Hot News Information Security [TWCERT 分享資安情資] Cisco 旗下防火牆系統存在重大資安漏洞(CVE-2025-20265) [2025-08-25]


【出處:台灣電腦緊急應變小組 TWCert】

Cisco Secure Firewall Management Center（FMC）是一套集中式管理平台，用於統一
管理與監控 Cisco 防火牆產品，提供完整的威脅防禦視野，並支援政策制定、事件分析、流量監控
與裝置設定等功能。Cisco發布重大資安漏洞公告(CVE-2025-20265，CVSS：10.0)並釋出更新版本，
此漏洞存在於該透過RADIUS進行身份驗證時，允許未經身份驗證的遠端攻擊者注入任意 Shell 指令
並使該裝置執行指令。
◎建議措施:
根據官方網站釋出解決方式進行修補：https://sec.cloudapps.cisco.com/security/c
enter/content/CiscoSecurityAdvisory/cisco-sa-fmc-radius-rce-TNBKf79
◎相關IOC資訊:
◎備註:
◎參考資料:
1. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvi
sory/cisco-sa-fmc-radius-rce-TNBKf79

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