CVE-2021-38487— Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro
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I. Basic Information for CVE-2021-38487
Vulnerability Information
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Vulnerability Title
Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro
Source: NVD (National Vulnerability Database)
Vulnerability Description
RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对网络消息容量的控制不充分(网络放大攻击)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Connext Dds多款产品输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Real-Time Innovations Connext Dds Professional和Connext Dds Secure都是美国Real-Time Innovations公司的产品。Connext Dds Professional是一个旨在满足自主系统苛刻连接要求的软件框架。Connext Dds Secure是一个可信软件连接框架。用于构建和保护系统系统。 Real-Time Innovations Connext Dds Professional和Connext Dds Secure 存在输
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| RTI | Connext Professional | 4.1 ~ 6.1.0 | - | |
| RTI | Connext Micro | 4.0.0 ~ 4.0.* | - |
II. Public POCs for CVE-2021-38487
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-38487
请登录查看更多情报信息。
- https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2Fx_refsource_CONFIRM
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-38487
Same Patch Batch · RTI · 2022-05-05 · 4 CVEs total
| CVE-2021-38427 | 6.6 MEDIUM | RTI Connext DDS Professional and Connext DDS Secure Stack-based Buffer Overflow |
| CVE-2021-38433 | 6.6 MEDIUM | RTI Connext DDS Professional and Connext DDS Secure Stack-based Buffer Overflow |
| CVE-2021-38435 | 6.6 MEDIUM | RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size |
IV. Related Vulnerabilities
Same product: Connext Professional
- CVE-2025-14543
Improper Restriction of XML External Entity Reference vulner - CVE-2026-4374
Improper Restriction of XML External Entity Reference vulner - CVE-2026-2394
Buffer Over-read vulnerability in RTI Connext Professional ( - CVE-2025-10450
Exposure of Private Personal Information to an Unauthorized - CVE-2025-8410
Use After Free vulnerability in RTI Connext Professional (Se
Same vendor: RTI
- CVE-2025-14543
Improper Restriction of XML External Entity Reference vulner - CVE-2026-4374
Improper Restriction of XML External Entity Reference vulner - CVE-2026-2394
Buffer Over-read vulnerability in RTI Connext Professional ( - CVE-2025-10450
Exposure of Private Personal Information to an Unauthorized - CVE-2025-8410
Use After Free vulnerability in RTI Connext Professional (Se
V. Comments for CVE-2021-38487
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