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.
35 vulnerabilities reference this CWE, most recent first.
CVE-2026-68080 (GCVE-0-2026-68080)
Vulnerability from cvelistv5 – Published: 2026-08-05 05:51 – Updated: 2026-08-05 14:58
VLAI
EPSS
VEX
Title
Apache Qpid Broker-J: Unbounded echo flow responses can lead to denial of service
Summary
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 14:58 UTC
CWE
- CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/tcnrv5nhmnsrzz92o… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Qpid Broker-J |
Affected:
0 , ≤ 10.0.1
(semver)
|
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CVE-2026-54609 (GCVE-0-2026-54609)
Vulnerability from cvelistv5 – Published: 2026-07-28 16:36 – Updated: 2026-07-28 17:07
VLAI
EPSS
VEX
Title
QTINeon has unauthenticated relay-to-host amplification via unbounded RECONNECT_REQUEST forwarding
Summary
QTI Neon is a minimal, game-agnostic, relay-based UDP multiplayer protocol library. In version 1.0.0, the relay's handleReconnectRequest forwards RECONNECT_REQUEST packets to the host without bounding them, so an unauthenticated client can drive relay-to-host amplification and cause a denial of service on the host. No fixed version is available as of this review.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 17:06 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Quiet-Terminal-Interactive/QTI… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Quiet-Terminal-Interactive | QTINeon |
Affected:
1.0.0
|
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CVE-2026-50045 (GCVE-0-2026-50045)
Vulnerability from cvelistv5 – Published: 2026-07-22 13:07 – Updated: 2026-07-22 18:57
VLAI
EPSS
VEX
Title
'max-global-quota' reset by DNSSEC validation restarts
Summary
In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, a single client query for a deeply nested name under a DNSSEC-signed parent can cause Unbound to send more upstream packets per client query than the configured 'max-global-quota'. This effectively bypasses a security configuration that limits upstream amplification traffic.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 18:56 UTC
CWE
- CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.nlnetlabs.nl/downloads/unbound/CVE-20… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | Unbound |
Affected:
1.22.0 , < 1.25.2
(semver)
|
Date Public
2026-07-22 00:00
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CVE-2026-45557 (GCVE-0-2026-45557)
Vulnerability from cvelistv5 – Published: 2026-05-19 13:47 – Updated: 2026-05-19 14:57
VLAI
EPSS
VEX
Title
Technitium DNS Server excessive DNSSEC requests
Summary
Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · cisa-cg (v2.0.3)
Decision recorded 2026-05-18 22:28 UTC
CWE
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Technitium | DNS Server |
Affected:
0 , < 15.0
(custom)
Unaffected: 15.0 |
Date Public
2026-05-19 00:00
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CVE-2025-58066 (GCVE-0-2025-58066)
Vulnerability from cvelistv5 – Published: 2025-08-29 20:54 – Updated: 2025-09-02 13:53
VLAI
EPSS
VEX
Title
DoS Vulnerability in ntpd-rs
Summary
nptd-rs is a tool for synchronizing your computer's clock, implementing the NTP and NTS protocols. In versions between 1.2.0 and 1.6.1 inclusive servers which allow non-NTS traffic are affected by a denial of service vulnerability, where an attacker can induce a message storm between two NTP servers running ntpd-rs. Client-only configurations are not affected. Affected users are recommended to upgrade to version 1.6.2 as soon as possible.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-02 13:53 UTC
CWE
- CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pendulum-project/ntpd-rs/secur… | x_refsource_CONFIRM |
| https://github.com/pendulum-project/ntpd-rs/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pendulum-project | ntpd-rs |
Affected:
>= 1.2.0, < 1.6.2
|
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CVE-2024-25015 (GCVE-0-2024-25015)
Vulnerability from cvelistv5 – Published: 2024-05-01 16:16 – Updated: 2024-08-01 23:36
VLAI
EPSS
VEX
Title
IBM MQ denial of service
Summary
IBM MQ 9.2 LTS, 9.3 LTS, and 9.3 CD Internet Pass-Thru could allow a remote user to cause a denial of service by sending HTTP requests that would consume all available resources. IBM X-Force ID: 281278.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-05 18:12 UTC
CWE
- CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7149583 | vendor-advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entry |
Impacted products
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CVE-2022-0028 (GCVE-0-2022-0028)
Vulnerability from cvelistv5 – Published: 2022-08-10 16:00 – Updated: 2025-10-21 23:15
VLAI
EPSS
VEX
Title
PAN-OS: Reflected Amplification Denial-of-Service (DoS) Vulnerability in URL Filtering
Summary
A PAN-OS URL filtering policy misconfiguration could allow a network-based attacker to conduct reflected and amplified TCP denial-of-service (RDoS) attacks. The DoS attack would appear to originate from a Palo Alto Networks PA-Series (hardware), VM-Series (virtual) and CN-Series (container) firewall against an attacker-specified target. To be misused by an external attacker, the firewall configuration must have a URL filtering profile with one or more blocked categories assigned to a source zone that has an external facing interface. This configuration is not typical for URL filtering and, if set, is likely unintended by the administrator. If exploited, this issue would not impact the confidentiality, integrity, or availability of our products. However, the resulting denial-of-service (DoS) attack may help obfuscate the identity of the attacker and implicate the firewall as the source of the attack. We have taken prompt action to address this issue in our PAN-OS software. All software updates for this issue are expected to be released no later than the week of August 15, 2022. This issue does not impact Panorama M-Series or Panorama virtual appliances. This issue has been resolved for all Cloud NGFW and Prisma Access customers and no additional action is required from them.
Severity
8.6 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-27 22:26 UTC
CWE
- CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2022-0028 | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | Cloud NGFW |
Unaffected:
All
|
|
| Palo Alto Networks | PAN-OS |
Affected:
8.1 , < 8.1.23-h1
(custom)
Affected: 9.0 , < 9.0.16-h3 (custom) Affected: 9.1 , < 9.1.14-h4 (custom) Affected: 10.0 , < 10.0.11-h1 (custom) Affected: 10.1 , < 10.1.6-h6 (custom) Affected: 10.2 , < 10.2.2-h2 (custom) |
|
| Palo Alto Networks | Prisma Access |
Unaffected:
2.1 All
Unaffected: 2.2 All Unaffected: 3.0 All Unaffected: 3.1 All |
|
| paloaltonetworks | pan-os |
Affected:
8.1.0 , < 8.1.23-h
(custom)
cpe:2.3:o:paloaltonetworks:pan-os:8.1.0:*:*:*:*:*:*:* |
|
| paloaltonetworks | pan-os |
Affected:
9.0.0 , < 9.0.16-h3
(custom)
cpe:2.3:o:paloaltonetworks:pan-os:9.0.0:*:*:*:*:*:*:* |
|
| paloaltonetworks | pan-os |
Affected:
9.1.0 , < 9.1 < 9.1.14-h4
(custom)
cpe:2.3:o:paloaltonetworks:pan-os:9.1.0:*:*:*:*:*:*:* |
|
| paloaltonetworks | pan-os |
Affected:
10.0.0 , < 10.0.11-h1
(custom)
cpe:2.3:o:paloaltonetworks:pan-os:10.0.0:*:*:*:*:*:*:* |
|
| paloaltonetworks | pan-os |
Affected:
10.1.0 , < 10.1.6-h6
(custom)
cpe:2.3:o:paloaltonetworks:pan-os:10.1.0:*:*:*:*:*:*:* |
|
| paloaltonetworks | pan-os |
Affected:
10.2.0 , < 10.2.2-h2
(custom)
cpe:2.3:o:paloaltonetworks:pan-os:10.2.0:*:*:*:*:*:*:* |
Date Public
2022-08-10 00:00
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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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"value": "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."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-406 Insufficient Control of Network Message Volume (Network Amplification)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02",
"refsource": "CONFIRM",
"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
},
{
"name": "https://opendds.org/",
"refsource": "CONFIRM",
"url": "https://opendds.org/"
}
]
},
"solution": [
{
"lang": "en",
"value": "OCI recommends users update to version 3.18.1 of OpenDDS or later."
}
],
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"assignerShortName": "icscert",
"cveId": "CVE-2021-38429",
"datePublished": "2022-05-05T15:26:18.000Z",
"dateReserved": "2021-08-10T00:00:00.000Z",
"dateUpdated": "2025-04-16T16:22:55.082Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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.