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 Expressway Series 及 TelePresence Video Communication Server
- Cisco Secure Email 及 Web Manager
- Cisco Small Business RV110W、RV130、RV130W 及 RV215W Routers
- Cisco Video Surveillance 7000 Series IP Cameras
- Cisco Web Security Appliance (WSA)、Cisco Firepower Threat Defense (FTD) 及 Snort detection engine
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執行指令碼、執行任意程式碼、服務受阻斷、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-qnx-TOxjVPdL
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-sb-rv-overflow-htpymMB5
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sni-data-exfil-mFgzXqLN
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-spam-jPxUXMk
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipcamera-lldp-dos-OFP7j9j
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewver-c6WZPXRx
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewrce-QPynNCjh
- https://www.hkcert.org/tc/security-bulletin/cisco-products-multiple-vulnerabilities_20210819
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1561
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22156
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34715
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34716
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34730
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34734
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34749