RTI Connext DDS Professional/Connext DDS Secure up to 6.1.0 stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in RTI Connext DDS Professional and Connext DDS Secure up to 6.1.0. The impacted element is an unknown function. Executing a manipulation can lead to stack-based overflow. This vulnerability appears as CVE-2021-38427. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in RTI Connext DDS Professional and Connext DDS Secure up to 6.1.0. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

RTI Connext DDS Professional and Connext DDS Secure Versions 4.2.x to 6.1.0 are vulnerable to a stack-based buffer overflow, which may allow a local attacker to execute arbitrary code.

The weakness was presented 11/17/2021 as icsa-21-315-02. The advisory is shared for download at us-cert.cisa.gov. This vulnerability was named CVE-2021-38427. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 6.6
CNA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/10/2021 🔍
11/17/2021 +99 days 🔍
11/17/2021 +0 days 🔍
02/05/2025 +1176 days 🔍

Sourcesinfo

Advisory: icsa-21-315-02
Status: Not defined

CVE: CVE-2021-38427 (🔍)
GCVE (CVE): GCVE-0-2021-38427
GCVE (VulDB): GCVE-100-186688

Entryinfo

Created: 11/17/2021 14:33
Updated: 02/05/2025 14:35
Changes: 11/17/2021 14:33 (36), 11/19/2021 08:45 (1), 02/05/2025 14:35 (62)
Complete: 🔍
Cache ID: 216::103

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