CVE-2020-4890: IBM Spectrum Scale

Medium severity, CVSS 4.4. 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 could allow a local user with a valid role to the REST API to cause a denial of service due to weak or absense of rate limiting. IBM X-Force ID: 190973.

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.