CVE-2020-4207

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

4.53% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.7% of scored records. A rank, not a probability.

NVD base score

9.8 (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: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.

Published

2020-01-28 18:30Z6 YR AGO

Last updated

2024-09-17 04:20Z1 YR AGO

Reserved

2019-12-30

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

be70e51a59fa1aea5b46eb1779d16345f38ac8c78d714001fa9fa11be40e99e6

• www.ibm.comhttps://www.ibm.com/support/pages/node/1283626x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-watson-cve20204207-code-exec (174972)https://exchange.xforce.ibmcloud.com/vulnerabilities/174972vdb-entryx_refsource_XF