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高危保安警报 (A26-02-33): Cisco 产品多个漏洞


 

发布日期: 2026年 2月 26日

描述:

Cisco 发布了安全性更新，以应对数个 Cisco 装置及软件的多个漏洞。有关漏洞及攻击向量的资料，请参阅供应商网站的相应安全公告。

有报告指 Cisco 产品 Cisco SD-WAN Software、Cisco Catalyst SD-WAN Controller 及 Cisco Catalyst SD-WAN Manager 的多个权限提升漏洞 (CVE-2022-20775 及 CVE-2026-20127) 正受到攻击。Cisco 发布了安全性更新，以应对以上问题。系统管理员应立即为受影响的系统安装修补程式，以减低受到网络攻击的风险。

 

受影响的系统:

  • 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

有关受影响产品的详细资料、请参阅供应商网站的相应安全公告中有关 “Affected Products” 的部分。

 

影响:

成功利用漏洞可以导致受影响的系统发生远端执行程式码、服务被拒绝、权限提升、泄漏资讯、绕过保安限制或篡改，视乎攻击者利用哪些漏洞而定。

 

建议:

现已有适用于受影响系统的软件更新。受影响系统的系统管理员应遵从产品供应商的建议，立即採取行动以降低风险。有关修补程式的详细资料，请参阅供应商网站的相应安全公告中有关 “Fixed Software” 的部分。

系统管理员应联络其产品支援供应商，以取得修补程式及有关支援。

 

进一步资讯:

  • 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


标签 : 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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