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[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
https://schema.org/EventMovedOnline https://schema.org/OfflineEventAttendanceMode
2026-10-15 http://schema.org/InStock TWD 0 https://www.kjintelligent.com/en/hot_540631.html


【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-202609-0040
2
Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Re
lease: September 2026
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cis
co-sa-hardening-esa-dfCrfXkm
CVE-2026-76440
https://nvd.nist.gov/vuln/detail/CVE-2026-76440
CVE-2026-76441
https://nvd.nist.gov/vuln/detail/CVE-2026-76441
CVE-2026-76443
https://nvd.nist.gov/vuln/detail/CVE-2026-76443
CVE-2026-20353
https://nvd.nist.gov/vuln/detail/CVE-2026-20353

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