RTI Connext DDS Professional/Connext DDS Secure up to 6.1.0 buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in RTI Connext DDS Professional and Connext DDS Secure up to 6.1.0. This impacts an unknown function. The manipulation results in buffer overflow. This vulnerability is known as CVE-2021-38435. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability, which was classified as critical, was found in RTI Connext DDS Professional and Connext DDS Secure up to 6.1.0. Affected is an unknown function. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 not correctly calculate the size when allocating the buffer, which may result in a buffer overflow.
The weakness was published 11/17/2021 as icsa-21-315-02. The advisory is available at us-cert.cisa.gov. This vulnerability is traded as CVE-2021-38435. The technical details are unknown and an exploit is not available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.5
VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CNA Base Score: 6.6
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/10/2021 🔍11/17/2021 🔍
11/17/2021 🔍
02/05/2025 🔍
Sources
Advisory: icsa-21-315-02Status: Not defined
CVE: CVE-2021-38435 (🔍)
GCVE (CVE): GCVE-0-2021-38435
GCVE (VulDB): GCVE-100-186690
Entry
Created: 11/17/2021 14:34Updated: 02/05/2025 14:35
Changes: 11/17/2021 14:34 (36), 11/19/2021 08:51 (1), 02/05/2025 14:35 (58)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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