Vulnerability · Published Aug 23, 2021 · Assigned by mitre
CVE-2020-18735
High 7.5
In plain English
A high-severity security flaw in the cyclonedds package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.9%top 20.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | cyclonedds | no fix listed | UBUNTU-CVE-2020-18735 |
| Ubuntu:24.04:LTS | cyclonedds | no fix listed | UBUNTU-CVE-2020-18735 |
| Ubuntu:25.10 | cyclonedds | no fix listed | UBUNTU-CVE-2020-18735 |
| Ubuntu:26.04:LTS | cyclonedds | no fix listed | UBUNTU-CVE-2020-18735 |
| Ubuntu:26.10 | cyclonedds | no fix listed | UBUNTU-CVE-2020-18735 |
Affected products (as reported)
References
- https://github.com/eclipse-cyclonedds/cyclonedds x_refsource_MISC
- https://projects.eclipse.org/projects/iot.cyclonedds x_refsource_MISC
- https://github.com/eclipse-cyclonedds/cyclonedds/issues/501 x_refsource_MISC