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高危保安警報 (A26-02-33): Cisco 產品多個漏洞


 

發布日期: 2026年 2月 26日

描述:

Cisco 發布了安全性更新，以應對數個 Cisco 裝置及軟件的多個漏洞。有關漏洞及攻擊向量的資料，請參閱供應商網站的相應安全公告。

有報告指 Cisco 產品 Cisco SD-WAN Software、Cisco Catalyst SD-WAN Controller 及 Cisco Catalyst SD-WAN Manager 的多個權限提升漏洞 (CVE-2022-20775 及 CVE-2026-20127) 正受到攻擊。Cisco 發布了安全性更新，以應對以上問題。系統管理員應立即為受影響的系統安裝修補程式，以減低受到網絡攻擊的風險。

 

受影響的系統:

  • Cisco Application Policy Infrastructure Controller
  • Cisco NX-OS Software
  • Cisco Catalyst SD-WAN Controller
  • Cisco Catalyst SD-WAN Manager
  • Cisco FXOS Software
  • Cisco UCS Manager Software
  • Cisco Nexus 3600 and 9500-R Series Switching Platforms
  • Cisco Nexus 9000 Series Fabric Switches in ACI mode
  • Cisco SD-WAN Software

有關受影響產品的詳細資料、請參閱供應商網站的相應安全公告中有關 “Affected Products” 的部分。

 

影響:

成功利用漏洞可以導致受影響的系統發生遠端執行程式碼、服務被拒絕、權限提升、泄漏資訊、繞過保安限制或篡改，視乎攻擊者利用哪些漏洞而定。

 

建議:

現已有適用於受影響系統的軟件更新。受影響系統的系統管理員應遵從產品供應商的建議，立即採取行動以降低風險。有關修補程式的詳細資料，請參閱供應商網站的相應安全公告中有關 “Fixed Software” 的部分。

系統管理員應聯絡其產品支援供應商，以取得修補程式及有關支援。

 

進一步資訊:

  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apic-dos-rNus8EFw
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n3kn9k_aci_lldp_dos-NdgRrrA3
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-cpdos-qLsv6pFD
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-dsnmp-cNN39Uh
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ether-dos-Kv8YNWZ4
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-priv-E6e8tEdF
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsciv-wGYtC78q
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsfxosxss-7skVE8Zv
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsm-afwae-mOgUfyLn
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsm-cmdinj-GvxLPeSB
  • https://www.hkcert.org/tc/security-bulletin/cisco-products-multiple-vulnerabilities_20260226
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20775
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20818
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20010
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20033
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20036 (to CVE-2026-20037)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20048
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20051
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20091
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20099
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20107
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20122
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20126 (to CVE-2026-20129)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20133


標籤 : Cisco , Cisco APIC , Cisco NX-OS , Cisco Catalyst , Cisco FXOS , Cisco UCS Manager , Cisco Nexus Platform Switches , Cisco Nexus Switch , Cisco SD-WAN
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