CVE-2020-4231

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

0.81% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 54.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/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.

Published

2020-05-28 14:45Z6 YR AGO

Last updated

2024-09-16 20:58Z1 YR AGO

Reserved

2019-12-30

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

33e9d33ad6a57ad410c85df096494d9ae8539a2329de535d46df52c76d1dd443

• www.ibm.comhttps://www.ibm.com/support/pages/node/6207905x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-sig-cve20204231-sec-bypass (175335)https://exchange.xforce.ibmcloud.com/vulnerabilities/175335vdb-entryx_refsource_XF