programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 allows remote authenticated gateways to execute arbitrary commands via shell metacharacters in the cisco_banner (aka server_banner) field, a different vulnerability than CVE-2010-3308.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 69.9%