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Cisco Bug: CSCta05809 - GETVPN: GETVPN control-plane sensible to replay

Last Modified

Feb 18, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

12.2SXJ 12.2XN 12.4T

Description (partial)

Symptoms: A group member on a GETVPN network may stop passing encrypted traffic.

Conditions: A GETVPN group member (GM) may accept and process an old or
duplicate rekey message from the designated key server (KS). If the rekey
message includes a TEK which was previously used to encrypt data, but which has
already expired, the GM may become unable to send and receive encrypted traffic.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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