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01 Record

CVE-2020-4891

IBM Spectrum Scale 5.0.0 through 5.0.5.5 and 5.1.0 through 5.1.0.2 uses an inadequate account lockout setting that could allow a local user er to brute force Rest API account credentials. IBM X-Force

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

IBM Spectrum Scale 5.0.0 through 5.0.5.5 and 5.1.0 through 5.1.0.2 uses an inadequate account lockout setting that could allow a local user er to brute force Rest API account credentials. IBM X-Force

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
0.26% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 18.6% 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:H/I:N/A:N
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
2021-03-16 13:55Z5 YR AGO
Last updated
2024-09-17 00:16Z2 YR AGO
Reserved
2019-12-30
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 6.2)
CNA CVSS vector
CVSS:3.0/UI:N/AV:L/I:N/C:H/A:N/S:U/PR:N/AC:L/E:U/RC:C/RL:O
Weaknesses
  • CWE-307Improper Restriction of Excessive Authentication AttemptsBase
Data version
5.1
Document digest
9b8a6598ad041c5b148a43548aea901e805e55033fc5a1b4344d85066034ad03

05 Affected products

VendorProductVersionsPlatforms
IBMSpectrum Scale5.0.0, 5.0.5.5, 5.1.0, 5.1.0.2—

06 References