Security Alert (A26-03-03): Multiple Vulnerabilities in Cisco Products

Description:

Cisco has released security updates to address multiple vulnerabilities in several Cisco devices and software. For information about the vulnerabilities and the attacking vectors, please refer to the corresponding security advisories at the vendor's website.

Affected Systems:

• Cisco IOS XE Software
• Cisco FirePOWER Services
• Cisco Open Source Snort 3
• Cisco Secure Endpoint Connector
• Cisco Secure Endpoint Cloud
• Cisco Secure Firewall Adaptive Security Appliance Software
• Cisco Secure Firewall Management Center Software
• Cisco Secure Firewall Threat Defense Software
• Cisco Security Cloud Control Firewall Management
• Cisco Webex

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

Impact:

Depending on the vulnerabilities exploited, a successful attack could lead to remote code execution, denial of service, elevation of privilege, information disclosure, security restriction bypass, spoofing or tampering 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://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-FCvLD6vR
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-scpcxt-filecpy-rgeP73nE
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ssh-keybypass-cr5xPUSf
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-aclbypass-dos-CVxVRSvQ
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-desync-n5AVzEQw
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-esp-dos-uv7yD8P5
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ikev2-dos-eBueGdEG
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-luainject-VescqgmS
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-saml-LktTrwZP
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-SpOFF2Re
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-m9sx6MbC
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-xss-uwjc4HR
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-css-Fn4QSZ
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-cmd-inject-S9ZM4EJf
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-rce-NKhnULJh
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-sql-injection-2qH6CcJd
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmd-inj-mTzGZexf
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-dnd-dos-bpEcg7B7
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort-bypass-rLggKzVF
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-vbavuls-96UcVVed
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3ssl-FBEKYXpH
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tcp-dos-rHfqnwRg
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftdfmc-dir-trav-wERgjhWq
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-multi-dos-XFWkWSwz
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-xss-TZFTbbwN
• https://www.hkcert.org/security-bulletin/cisco-products-multiple-vulnerabilities_20260305
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20001 (to CVE-2026-20003)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20005 (to CVE-2026-20009)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20013 (to CVE-2026-20018)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20020 (to CVE-2026-20025)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20031
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20039
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20044
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20049 (to CVE-2026-20050)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20052 (to CVE-2026-20054)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20057 (to CVE-2026-20058)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20062 (to CVE-2026-20070)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20073
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20079
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20082
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20100 (to CVE-2026-20103)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20105 (to CVE-2026-20106)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20131
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20149