CVE-2020-4412: IBM Spectrum Scale

Medium severity, CVSS 5.3. EPSS: 1.3% chance of exploitation in the next 30 days.

The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service security vulnerability. An attacker can force the Spectrum Scale mmfsd/mmsdrserv daemons to unexpectedly exit, impacting the functionality of the Spectrum Scale cluster and the availability of file systems managed by Spectrum Scale. IBM X-Force ID: 179987.

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 2020-05-19. Last modified 2026-06-17.