CVE-2020-4926: IBM Elastic Storage System

Critical severity, CVSS 9.1. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability in the Spectrum Scale 5.1 core component and IBM Elastic Storage System 6.1 could allow unauthorized access to user data or injection of arbitrary data in the communication protocol. IBM X-Force ID: 191600.

Affected products

• IBM Elastic Storage System: before 6.1.3.0 (fixed in 6.1.3.0)
• IBM Spectrum Scale: before 5.1.3.0 (fixed in 5.1.3.0)

Published 2022-05-24. Last modified 2026-06-17.