Common Weakness Enumeration
CWE-406
Allowed-with-ReviewInsufficient Control of Network Message Volume (Network Amplification)
Abstraction: Class · Status: Incomplete
The product does not sufficiently monitor or control transmitted network traffic volume, so that an actor can cause the product to transmit more traffic than should be allowed for that actor.
40 vulnerabilities reference this CWE, most recent first.
CVE-2021-43547 (GCVE-0-2021-43547)
Vulnerability from cvelistv5 – Published: 2022-05-05 15:19 – Updated: 2025-04-16 16:23
VLAI
EPSS
VEX
Title
TwinOaks Computing CoreDX DDS Secure Network Amplification
Summary
TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation 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.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| http://www.twinoakscomputing.com/coredx/download | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TwinOaks Computing | CoreDX DDS |
Affected:
unspecified , < 5.9.1
(custom)
|
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CVE-2021-38487 (GCVE-0-2021-38487)
Vulnerability from cvelistv5 – Published: 2022-05-05 15:18 – Updated: 2025-06-23 12:13
VLAI
EPSS
VEX
Title
Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| RTI | Connext Professional |
Affected:
4.1 , < 6.1.0
(custom)
|
|
| RTI | Connext Micro |
Affected:
4.0.0 , < 4.0.*
(custom)
Affected: 3.0.0 , < 3.0.* (custom) Affected: 2.4.0 , < 2.4.* (custom) |
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CVE-2021-38429 (GCVE-0-2021-38429)
Vulnerability from cvelistv5 – Published: 2022-05-05 15:26 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
OCI OpenDDS Secure Network Amplification
Summary
OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.
Severity
6.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:52 UTC
CWE
- CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://opendds.org/ | x_refsource_CONFIRM |
Impacted products
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CVE-2021-38425 (GCVE-0-2021-38425)
Vulnerability from cvelistv5 – Published: 2022-05-05 15:24 – Updated: 2025-04-16 16:23
VLAI
EPSS
VEX
Title
eProsima Fast DDS Network Amplification
Summary
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.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
2 references
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CVE-2021-38135 (GCVE-0-2021-38135)
Vulnerability from cvelistv5 – Published: 2024-11-22 15:34 – Updated: 2024-11-25 18:11
VLAI
EPSS
VEX
Title
Possible External service interaction Vulnerability in OpenText iManager
Summary
Possible
External Service Interaction attack
in iManager has been discovered in
OpenText™ iManager 3.2.6.0000.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-25 18:09 UTC
CWE
Assigner
References
1 reference
Impacted products
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CVE-2021-4234 (GCVE-0-2021-4234)
Vulnerability from cvelistv5 – Published: 2022-07-06 19:10 – Updated: 2024-08-03 17:23
VLAI
EPSS
VEX
Summary
OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack.
Severity
No CVSS data available.
CWE
- CWE-406 - Insufficient Control of Network Message Volume
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://openvpn.net/vpn-server-resources/release-… | x_refsource_MISC |
Impacted products
1 product
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| n/a | OpenVPN Access Server |
Affected:
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CVE-2020-10772 (GCVE-0-2020-10772)
Vulnerability from cvelistv5 – Published: 2020-11-27 17:40 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared to versions of Unbound that shipped before the mentioned erratum. This issue is about the incomplete fix for CVE-2020-12662, and it does not affect upstream versions of Unbound.
Severity
No CVSS data available.
CWE
- CWE-406 - >CWE-400
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1846026 | x_refsource_MISC |
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CVE-2019-14850 (GCVE-0-2019-14850)
Vulnerability from cvelistv5 – Published: 2021-03-18 18:56 – Updated: 2024-08-05 00:26
VLAI
EPSS
VEX
Summary
A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection to the service. This vulnerability could cause resource consumption and degradation of service in nbdkit, depending on the plugins configured on the server-side.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1757258 | x_refsource_MISC |
| https://www.redhat.com/archives/libguestfs/2019-S… | x_refsource_MISC |
Impacted products
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CVE-2014-125036 (GCVE-0-2014-125036)
Vulnerability from cvelistv5 – Published: 2023-01-02 17:11 – Updated: 2024-08-06 14:10
VLAI
EPSS
VEX
Title
drybjed ansible-ntp main.yml amplification
Summary
A vulnerability, which was classified as problematic, has been found in drybjed ansible-ntp. Affected by this issue is some unknown functionality of the file meta/main.yml. The manipulation leads to insufficient control of network message volume. The attack can only be done within the local network. The complexity of an attack is rather high. The exploitation is known to be difficult. The patch is identified as ed4ca2cf012677973c220cdba36b5c60bfa0260b. It is recommended to apply a patch to fix this issue. VDB-217190 is the identifier assigned to this vulnerability.
Severity
CWE
- CWE-406 - Insufficient Control of Network Message Volume
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.217190 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.217190 | signaturepermissions-required |
| https://github.com/drybjed/ansible-ntp/commit/ed4… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| drybjed | ansible-ntp |
Affected:
n/a
|
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GHSA-3JGF-C787-2JMH
Vulnerability from github – Published: 2026-08-05 09:31 – Updated: 2026-08-05 18:31
VLAI
Details
It was not possible to govern the rate at which the broker would respond to an echo flow, enabling an authenticated attacker to cause excessive resource usage and potential denial of service.
This issue affects Apache Qpid Broker-J: through 10.0.1.
Users are recommended to upgrade to version 10.1.0, which fixes the issue.
Severity
6.5 (Medium)
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"references": [
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Mitigation
Architecture and Design
Strategy: Separation of Privilege
An application must make network resources available to a client commensurate with the client's access level.
Mitigation
Policy
Define a clear policy for network resource allocation and consumption.
Mitigation
Implementation
An application must, at all times, keep track of network resources and meter their usage appropriately.
No CAPEC attack patterns related to this CWE.