CVE-2020-4387

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 15.7% of scored records. A rank, not a probability.

NVD base score

4.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/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.

Published

2020-07-01 14:25Z6 YR AGO

Last updated

2024-09-16 20:06Z2 YR AGO

Reserved

2019-12-30

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Medium (CVSS 6.2)

CNA CVSS vector

CVSS:3.0/C:H/UI:N/PR:N/A:N/AC:L/I:N/AV:L/S:U/E:U/RC:C/RL:O

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.1

Document digest

8a902d5f023d935cfc58217d3c2fc9e5bea4e193bbc2443e2170ef2c043e7cf9

• www.ibm.comhttps://www.ibm.com/support/pages/node/6242336x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-db2-cve20204387-info-disc (179269)https://exchange.xforce.ibmcloud.com/vulnerabilities/179269vdb-entryx_refsource_XF