CVE-2021-38425— eProsima Fast DDS Network Amplification
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I. Basic Information for CVE-2021-38425
Vulnerability Information
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Vulnerability Title
eProsima Fast DDS Network Amplification
Source: NVD (National Vulnerability Database)
Vulnerability Description
eProsima Fast DDS versions prior to 2.4.0 (#2269) are susceptible to exploitation when an attacker sends a specially crafted packet to flood a target device with unwanted traffic, which 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:N/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
eProsima Fast RTPS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
eProsima Fast RTPS是一款RTPS（实时发布订阅）协议的C++实现。 eProsima Fast RTPS 中存在安全漏洞，该漏洞源于产品未对输入的特殊数据做有效处理。攻击者可通过该漏洞导致拒绝服务以及信息泄露。以下产品及版本受到影响：eProsima Fast DDS 2.4.0 之前版本。
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
II. Public POCs for CVE-2021-38425
| # | POC Description | Source Link | Shenlong Link |
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- https://github.com/eProsima/Fast-DDSx_refsource_CONFIRM
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-38425
IV. Related Vulnerabilities
Same vendor: eProsima
- CVE-2025-64438
Fast-DDS: Unbounded GAP range triggers OOM DoS under RELIABL - CVE-2025-64098
FastDDS has Out-of-memory in readOctetVector via Manipulated - CVE-2025-62799
FastDDS's heap buffer overflow in RTPS DATA_FRAG enables una - CVE-2025-62603
FastDDS has Out-of-memory while parsing GenericMessage when - CVE-2025-62602
FastDDS has heap buffer overflow in readData via Manipulated
V. Comments for CVE-2021-38425
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