CVE-2022-30065: Busybox

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.

Affected products

• Busybox Busybox: version 1.35.0 only
• Siemens Scalance SC622-2c Firmware: before 3.0 (fixed in 3.0)
• Siemens Scalance SC626-2c Firmware: before 3.0 (fixed in 3.0)
• Siemens Scalance SC632-2c Firmware: before 3.0 (fixed in 3.0)
• Siemens Scalance SC636-2c Firmware: before 3.0 (fixed in 3.0)
• Siemens Scalance SC642-2c Firmware: before 3.0 (fixed in 3.0)
• Siemens Scalance SC646-2c Firmware: before 3.0 (fixed in 3.0)

Published 2022-05-18. Last modified 2026-07-07.