保安警報 (A21-08-15): Cisco 產品多個漏洞

描述:

Cisco 發布了安全公告以應對發現於 Cisco 裝置及軟件中的多個漏洞。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。

受影響的系統:

• Cisco Application Policy Infrastructure Controller
• Cisco NX-OS
• Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) Mode
• Cisco Nexus 9500 Series Switches
• Cisco UCS Manager

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:

成功利用這些漏洞可以在受影響的系統導致遠端插入指令碼、跨網址程式編程、服務受阻斷、泄漏資訊、權限提升、繞過保安限制或篡改，視乎攻擊者利用哪些漏洞而定。

建議:

適用於受影響系統的軟件更新已可獲取。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。

系統管理員可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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-chvul-CKfGYBh8
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-frw-Nt3RYxR2
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-mdvul-HBsJBuvW
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-pesc-pkmGK4J
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-scss-bFT75YrM
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n9kaci-queue-wedge-cLDDEfKF
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n9kaci-tcp-dos-YXukt6gM
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-naci-afr-UtjfO2D7
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-naci-mdvul-vrKVgNU
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nexus-acl-vrvQYPVe
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-login-blockfor-RwjGVEcu
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ngoam-dos-LTDb9Hv
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-ssh-dos-MgvmyrQy
• https://www.hkcert.org/tc/security-bulletin/cisco-products-multiple-vulnerabilities_20210826
• https://us-cert.cisa.gov/ncas/current-activity/2021/08/26/cisco-releases-security-updates-multiple-products
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1523
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1577 (to CVE-2021-1584)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1586 (to CVE-2021-1588)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1590 (to CVE-2021-1592)