CVE-2020-4492: IBM Spectrum Scale

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992.

Affected products

• IBM Spectrum Scale: from 4.2.0.0, up to and including 4.2.3.21; from 5.0.0.0, up to and including 5.0.4.3

Published 2020-08-31. Last modified 2026-06-17.