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CVE Record

CVE-2020-18735: A heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscr...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-18735 is a heap buffer overflow reported in Eclipse IoT Cyclone DDS v0.1.0. The described impact is a crash of the DDS subscriber server, which points to denial of service risk rather than confirmed data theft or code execution.

Executive priority

Treat as a targeted availability risk. Prioritize if Cyclone DDS v0.1.0 supports operational, robotic, IoT, or industrial workflows where subscriber crashes affect service continuity.

Technical view

The public description places the flaw in /src/dds_stream.c in Cyclone DDS v0.1.0 and says it can crash the DDS subscriber server. The bundle does not provide CVSS, CWE, full affected CPEs, patch details, or confirmed exploitation evidence.

Likely exposure

Exposure is most likely limited to environments still running Eclipse Cyclone DDS v0.1.0, especially DDS subscriber components reachable by untrusted DDS traffic.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. It only supports a crash outcome for the subscriber server, with no public exploit status included here.

Researcher notes

Evidence is sparse: no CVSS vector, CWE, patch note, CPE list, or exploit confirmation is included. Analysis should remain bounded to Cyclone DDS v0.1.0 and the reported subscriber crash behavior.

Mitigation direction

  • Identify any Cyclone DDS deployments and confirm exact versions.
  • Check Eclipse Cyclone DDS repository and issue guidance for remediation details.
  • Avoid exposing affected DDS subscribers to untrusted networks.
  • Plan replacement or upgrade of Cyclone DDS v0.1.0 where present.

Validation and detection

  • Inventory applications, services, and embedded systems using Cyclone DDS.
  • Confirm whether any instance reports Cyclone DDS v0.1.0.
  • Review DDS subscriber crash logs for unexpected malformed traffic correlation.
  • Verify network controls limit DDS traffic to trusted peers.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2020-18735 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.