CVE-2020-4756

MEDIUM
5.5
CVSS Score
Published: October 20, 2020 at 02:15 PM UTC
Updated: June 17, 2026 at 03:20 AM UTC
2 products affected across 1 vendorSpectrum ScaleElastic Storage Server

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%

Description

IBM Spectrum Scale V4.2.0.0 through V4.2.3.23 and V5.0.0.0 through V5.0.5.2 as well as IBM Elastic Storage System 6.0.0 through 6.0.1.0 could allow a local attacker to invoke a subset of ioctls on the device with invalid arguments that could crash the keneral and cause a denial of service. IBM X-Force ID: 188599.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.0.0.0 ≤ v ≤ 6.0.1.06.0.06.0.1.0
4.2.0.0 < v ≤ 4.2.3.235.0.0.0 < v ≤ 5.0.5.24.2.0.04.2.3.235.0.0.05.0.5.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_CONFIRMPatchVendor Advisory
https://www.ibm.com/support/pages/node/6349469
x_refsource_CONFIRMPatchVendor Advisory
https://www.ibm.com/support/pages/node/6349475

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-404

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