CVE-2020-4217: IBM Spectrum Scale

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

The IBM Spectrum Scale 4.2 and 5.0 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: 175067.

Affected products

• IBM Spectrum Scale: from 4.2.0.0, up to and including 4.2.3.19; from 5.0.0.0, up to and including 5.0.4.2

Published 2020-03-09. Last modified 2026-06-17.