CVE-2010-3753: Xelerance Openswan

Medium severity, CVSS 6.5. EPSS: 2.4% chance of exploitation in the next 30 days.

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.

Affected products

  • Xelerance Openswan: version 2.6.26 only; version 2.6.27 only; version 2.6.28 only

Published 2010-10-05. Last modified 2026-06-16.