CVE-2020-4756

MEDIUM

IBM Spectrum Scale 4.2.0.0-4.2.3.23 & 5.0.0.0-5.0.5.2 / ESS 6.0.0.0-6.0.1.0 - DoS via Invalid Ioctl

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.ibm.com/support/pages/node/6349469
Patch, Vendor Advisory x_refsource_confirm
https://www.ibm.com/support/pages/node/6349475
VDB Entry, Vendor Advisory vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/188599

Scores

CVSS v3 5.5
EPSS 0.0035
EPSS Percentile 26.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-404
Status published
Products (2)
ibm/elastic_storage_server 6.0.0.0 - 6.0.1.0
ibm/spectrum_scale 4.2.0.0 - 4.2.3.23
Published Oct 20, 2020
Tracked Since Feb 18, 2026