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01 Record

CVE-2021-38996

IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX kernel to cause a denial of service. IBM X-Force ID: 213076.

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

IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX kernel to cause a denial of service. IBM X-Force ID: 213076.

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
0.21% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 12.0% 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
2022-03-02 16:35Z4 YR AGO
Last updated
2024-09-17 00:56Z2 YR AGO
Reserved
2021-08-16
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 6.2)
CNA CVSS vector
CVSS:3.0/I:N/UI:N/A:H/C:N/AC:L/PR:N/AV:L/S:U/E:U/RL:O/RC:C
Weaknesses
No CWE assigned
Data version
5.1
Document digest
980a017c79a6ae2bca9a2bdae640aad4b9d687e53008bc9aa81cf39106e9a7f2

05 Affected products

VendorProductVersionsPlatforms
IBMVIOS3.1—
IBMAIX7.1, 7.2, 7.3—

06 References