CVE-2016-2183: The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other protocols and produc...

Security readout for executives and security teams

CVE-2016-2183 is the Sweet32 weakness in DES and Triple DES. If a service still permits these old ciphers, a remote attacker may recover cleartext from long-running encrypted sessions. The main business concern is confidential data exposure, especially on legacy systems or services with outdated cryptographic policy. Exposure is likely where internet-facing or internal services still negotiate DES or Triple DES for TLS, SSH, IPsec, or product-specific encrypted channels. The source bundle does not identify a single affected product list; it points to multiple vendor advisories and uses broad protocol language. Treat this as a high-priority legacy cryptography cleanup. It is not a typical remote code execution issue, but it can undermine confidentiality on systems that still permit DES or Triple DES, especially where sensitive traffic or long sessions are present. Mitigation focus: Inventory TLS, SSH, IPsec, and appliance configurations for DES or Triple DES support.; Apply product-specific vendor updates and configuration guidance from relevant advisories.; Disable DES and Triple DES where vendor guidance and compatibility requirements allow..

Prepared

Jun 1, 2026, 02:43 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.