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01 Record

CVE-2020-4887

IBM AIX 7.1, 7.2 and AIX VIOS 3.1 could allow a local user to exploit a vulnerability in the gencore user command to create arbitrary files in any directory. IBM X-Force ID: 190911.

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

IBM AIX 7.1, 7.2 and AIX VIOS 3.1 could allow a local user to exploit a vulnerability in the gencore user command to create arbitrary files in any directory. IBM X-Force ID: 190911.

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
0.30% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 23.4% 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: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
2021-01-20 15:00Z5 YR AGO
Last updated
2024-09-16 19:56Z2 YR AGO
Reserved
2019-12-30
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 6.2)
CNA CVSS vector
CVSS:3.0/C:N/I:H/AC:L/AV:L/A:N/S:U/PR:N/UI:N/E:U/RL:O/RC:C
Weaknesses
No CWE assigned
Data version
5.1
Document digest
753135f217f9565aeb650335101d7a28f20b22d5eb13e8f9dea0d7ed982e2ee4

05 Affected products

VendorProductVersionsPlatforms
IBMAIX7.1, 7.2—
IBMVIOS3.1—

06 References