Cisco Bug: CSCuo30339 - IKEv2: Misconfigured Crypto-maps can generate multiple duplicate SAs
Apr 19, 2020
- Cisco ASA 5500-X Series Firewalls
Known Affected Releases
Symptom: ASA generates multiple IKEv2 CREATE_CHILD_SA for the same traffic selectors due to misconfiguration. Conditions: An example of misconfiguration would be something like this: crypto map CRYPTO_MAP 5 match address PROXY_ACL crypto map CRYPTO_MAP 5 set ikev2 ipsec-proposal ESP_AES_SHA crypto map CRYPTO_MAP 10 match address PROXY_ACL crypto map CRYPTO_MAP 10 set peer 192.0.2.1 crypto map CRYPTO_MAP 10 set ikev2 ipsec-proposal ESP_AES_SHA crypto map CRYPTO_MAP interface outside Note the incomplete entry 5 and the use of the same ACL.
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