CVE-2020-4320

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

0.72% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 53.5% 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: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.

Published

2020-06-16 13:45Z6 YR AGO

Last updated

2024-09-16 20:58Z2 YR AGO

Reserved

2019-12-30

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

16d172ccc674383f903e7eeb8b0117008e56cc9cededb22fd21dd50f1e658420

• www.ibm.comhttps://www.ibm.com/support/pages/node/5736885x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-mq-cve20204320-dos (177403)https://exchange.xforce.ibmcloud.com/vulnerabilities/177403vdb-entryx_refsource_XF