CVE-2020-4891: IBM Spectrum Scale

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

IBM Spectrum Scale 5.0.0 through 5.0.5.5 and 5.1.0 through 5.1.0.2 uses an inadequate account lockout setting that could allow a local user er to brute force Rest API account credentials. IBM X-Force ID: 190974.

Affected products

• IBM Spectrum Scale: from 5.0.0.0, up to and including 5.0.5.5; from 5.1.0.0, up to and including 5.1.0.2

Published 2021-03-16. Last modified 2026-06-17.