VDB-186687 · CVE-2021-38429 · icsa-21-315-02

OCI OpenDDS up to 3.18.0 Packet unknown vulnerability

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.4	$0-$5k	0.00

A vulnerability classified as problematic has been found in OCI OpenDDS up to 3.18.0. This affects an unknown code of the component Packet Handler. This is going to have an impact on confidentiality, and availability.

The weakness was disclosed 11/17/2021 as icsa-21-315-02. It is possible to read the advisory at us-cert.cisa.gov. This vulnerability is uniquely identified as CVE-2021-38429 since 08/10/2021. The attack needs to be initiated within the local network. A authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.18.1 eliminates this vulnerability.

Productinfoedit

Vendor

Name

OpenDDS

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

AV	AC	Au	C	I	A
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Unknown
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenDDS 3.18.1

Timelineinfoedit

08/10/2021 CVE reserved
11/17/2021 +99 days Advisory disclosed
11/17/2021 +0 days VulDB entry created
11/19/2021 +2 days VulDB last update

Sourcesinfoedit

Advisory: icsa-21-315-02
Status: Confirmed

CVE: CVE-2021-38429 (🔒)

Entryinfoedit

Created: 11/17/2021 02:31 PM
Updated: 11/19/2021 08:44 AM
Changes: (1) source_cve_assigned
Complete: 🔍