CVE-2020-18734

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

1.86% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.4% of scored records. A rank, not a probability.

NVD base score

7.5 (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: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

2021-08-23 20:07Z5 YR AGO

Last updated

2024-08-04 14:08Z2 YR AGO

Reserved

2020-08-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

fb79174acd97f3acc8689b57a3590f8a5edc43305d2be9c962bd07a49d40c510

• github.comhttps://github.com/eclipse-cyclonedds/cyclonedds/issues/476x_refsource_MISC
• github.comhttps://github.com/eclipse-cyclonedds/cycloneddsx_refsource_MISC
• projects.eclipse.orghttps://projects.eclipse.org/projects/iot.cycloneddsx_refsource_MISC