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01 Record

CVE-2020-4756

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

MediumPUBLISHEDCNA: ibm
CNA base score6.2 CVSS v3.xCVSS:3.0/A:H/C:N/PR:N/UI:N/S:U/I:N/AC:L/AV:L/RL:O/RC:C/E:U
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02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.35% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 28.6% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-10-20 14:15Z6 YR AGO
Last updated
2024-09-16 23:21Z2 YR AGO
Reserved
2019-12-30
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 6.2)
CNA CVSS vector
CVSS:3.0/A:H/C:N/PR:N/UI:N/S:U/I:N/AC:L/AV:L/RL:O/RC:C/E:U
Weaknesses
  • CWE-404Improper Resource Shutdown or ReleaseClass
Data version
5.1
Document digest
663c7a462d818ad870f93f8271a9203dc8d8ee2df71159e98307257da673cd69

05 Affected products

VendorProductVersionsPlatforms
IBMElastic Storage Server6.0.0, 6.0.1.0—
IBMSpectrum Scale4.2.0.0, 5.0.0.0, 4.2.3.23, 5.0.5.2—

06 References