Skip to main content
HIGH

CVE-2020-18734

CVSS v3

7.5

HIGH

EPSS Score

1.9 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.

Technical details

Published
2021-08-23

Frequently asked questions

What is CVE-2020-18734?

A stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.

Is CVE-2020-18734 actively exploited?

Active exploitation of CVE-2020-18734 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-18734?

CVE-2020-18734 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-18734 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key