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Cisco Bug: CSCup21070 - ASR1k / Denial of service vulnerability, ESP crash in NAT ALG

Last Modified

Oct 31, 2019

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

The ESP module of an ASR1000 Series Routers may crash in NAT ALG due to RBUF handle exhaustion.

Running versions prior to this bugfix, with a NAT configuration and h323 traffic being fixed-up by the ALG.
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