CVE-2012-5030: Cisco IOS

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Cisco IOS before 15.2(4)S6 does not initialize an unspecified variable, which might allow remote authenticated users to cause a denial of service (CPU consumption, watchdog timeout, crash) by walking specific SNMP objects.

Affected products

• Cisco IOS: up to and including 15.2\(4\)s5

Published 2017-08-02. Last modified 2026-06-16.