Archived Content
In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.Cisco Releases Security Updates
Last Revised
Cisco has released updates to address several high-impact vulnerabilities affecting multiple products. These and other lower-impact vulnerabilities are listed at Cisco Security Advisories and Alerts. A remote attacker could exploit one of the high-impact vulnerabilities to cause a denial-of-service condition.
Users and administrators are encouraged to review the following Cisco Security Advisories and apply the necessary updates:
- ASA Software DNS Denial-of-Service Vulnerability cisco-sa-20170419-asa-dns
- ASA Software IPsec Denial-of-Service Vulnerability cisco-sa-20170419-asa-ipsec
- ASA Software SSL/TLS Denial-of-Service Vulnerability cisco-sa-20170419-asa-tls
- ASA Software Internet Key Exchange Version 1 XAUTH Denial-of-Service Vulnerability cisco-sa-20170419-asa-xauth
- IOS and IOS XE Software EnergyWise Denial-of-Service Vulnerabilities cisco-sa-20170419-energywise
- Firepower Detection Engine Pragmatic General Multicast Protocol Decoding Denial-of-Service Vulnerability cisco-sa-20170419-fpsnort
- Unified Communications Manager Denial-of-Service Vulnerability cisco-sa-20170419-ucm
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