CVE-2020-18734

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Un desbordamiento del buffer de pila en el archivo /ddsi/q_bitset.h de Eclipse IOT Cyclone DDS Project v0.1.0, causa que el servidor de suscriptores DDS se bloquee.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-13 CVE Reserved
2021-08-23 CVE Published
2024-05-08 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (3)

URL	Tag	Source
https://github.com/eclipse-cyclonedds/cyclonedds	Third Party Advisory

URL	Date	SRC
https://github.com/eclipse-cyclonedds/cyclonedds/issues/476	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://projects.eclipse.org/projects/iot.cyclonedds	2021-08-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Eclipse Search vendor "Eclipse"		Cyclone Data Distribution Service Search vendor "Eclipse" for product "Cyclone Data Distribution Service"				0.1.0 Search vendor "Eclipse" for product "Cyclone Data Distribution Service" and version "0.1.0"		-		Affected