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01 Record

CVE-2021-20538

IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 could allow a user to obtain sensitive information or perform actions they should not have access to due to incorrect authorization mechanisms.

MediumPUBLISHEDCNA: ibm
CNA base score4.8 CVSS v3.xCVSS:3.0/I:L/PR:N/AC:H/AV:N/S:U/C:L/UI:N/A:N/E:U/RL:O/RC:C
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02 Description

IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 could allow a user to obtain sensitive information or perform actions they should not have access to due to incorrect authorization mechanisms.

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
0.73% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 54.0% of scored records. A rank, not a probability.
NVD base score
9.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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
2021-05-10 16:20Z5 YR AGO
Last updated
2024-09-17 01:10Z2 YR AGO
Reserved
2020-12-17
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 4.8)
CNA CVSS vector
CVSS:3.0/I:L/PR:N/AC:H/AV:N/S:U/C:L/UI:N/A:N/E:U/RL:O/RC:C
Weaknesses
  • CWE-863Incorrect AuthorizationClass
Data version
5.1
Document digest
1e605b7f88a8e5f796b77bd17632bd4720a962316751462dac5854fc56163c8f

05 Affected products

VendorProductVersionsPlatforms
IBMCloud Pak for Security1.5.0.1, 1.5.0.0—

06 References