CVE-2021-29740: IBM Spectrum Scale

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Spectrum Scale 5.0.0 through 5.0.5.6 and 5.1.0 through 5.1.0.3 system core component is affected by a format string security vulnerability. An attacker could execute arbitrary code in the context of process memory, potentially escalating their system privileges and taking control over the entire system with root access. IBM X-Force ID: 201474.

Affected products

• IBM Spectrum Scale: from 5.0.0.0, before 5.0.5.7 (fixed in 5.0.5.7); from 5.1.0, before 5.1.1.0 (fixed in 5.1.1.0)

Published 2021-06-01. Last modified 2026-06-17.