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Cisco Bug: CSCuw56693 - Nexus 1kv 5.2(1)SV3(1.4): openssl s_client -connect host:443 -cipher RC4

Last Modified

Aug 05, 2016

Products (2)

  • Cisco Nexus 1000V Switch for VMware vSphere
  • Cisco Nexus 1000V Switch

Known Affected Releases

4.2(1)SV2(2.2) 5.2(1)SV3(1.4)

Description (partial)

The Cisco Nexus 1000 (N1K) Series Switch supports Open Secure Socket Layer (OpenSSL) 
Rivest Cipher 4 (RC4) ciphers which are considered less secure than other more modern 
encryption algorithms. The N1K needs to remove support for RC4 ciphers or make that support
configurable by the user.

The device running with default configuration running an affected version of software.
This was tested via the command ''openssl s_client -connect -cipher RC4''.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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