Security Alert (A21-02-02): Multiple Vulnerabilities in Cisco Products


 

Published on: 08 February 2021

  
  

Description:

Cisco released security advisories to address multiple vulnerabilities in Cisco product running Cisco IOS XR, NX-OS, UCS Central software, and Cisco Small Business RV series routers. For the information about the vulnerabilities and the attacking vectors, please refer to the corresponding security advisories at the vendor's website.

Affected Systems:

  • Cisco products running Cisco IOS XR Software
  • Cisco products running Cisco NX-OS Software
  • Cisco products running Cisco Unified Computing System (UCS) Central Software
  • Cisco Small Business RV Series Routers

For detailed information of the affected products, please refer to the section "Affected Products" of corresponding security advisory at vendor's website.

Impact:

Successful exploitation of the vulnerabilities could lead to arbitrary code execution, arbitrary command injection, denial of service, information disclosure, privilege escalation, and security restriction bypass on an affected system.

Recommendation:

Software updates for affected systems are now available. System administrators of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk. For detailed information of the available patches, please refer to the section "Fixed Software" of corresponding security advisory at vendor's website.

System administrators should contact their product support vendors for the fixes and assistance.

More Information:

  • https://www.hkcert.org/security-bulletin/cisco-products-multiple-vulnerabilities_20210205
  • https://us-cert.cisa.gov/ncas/current-activity/2021/02/04/cisco-releases-security-updates
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv160-260-rce-XZeFkNHf
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xripv6-spJem78K
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv160-260-filewrite-7x9mnKjn
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-overflow-ghZP68yj
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-command-inject-BY4c5zd
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBt
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-pe-QpzCAePe
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-invcert-eOpRvCKH
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-7MKrW7Nq
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-msx-dos-4j7sytvU
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipv6-acl-CHgdYk8j
  • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-infodisc-4mtm9Gyt
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1128
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1136
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1243
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1244
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1268
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1288 (to CVE-2021-1297)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1313 (to CVE-2021-1348)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1354
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1370
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1389


Tag: Cisco , Cisco IOS , Cisco NX-OS , Cisco UCS , Cisco Router
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