CVE-2012-0333: Cisco Small Business IP Phone

Medium severity, CVSS 5.0. EPSS: 1.1% chance of exploitation in the next 30 days.

Cisco Small Business IP phones with SPA 500 series firmware 7.4.9 and earlier do not require authentication for Push XML requests, which allows remote attackers to make telephone calls via an XML document, aka Bug ID CSCts08768.

Affected products

• Cisco Small Business IP Phone
• Cisco Small Business IP Phone Firmware: up to and including 7.4.9; version 7.1.7 only; version 7.2.5 only; version 7.3.5 only; version 7.4.3 only; version 7.4.4 only; …

Published 2012-05-02. Last modified 2026-06-16.