Common Weakness Enumeration
CWE-400
DiscouragedUncontrolled Resource Consumption
Abstraction: Class · Status: Draft
The product does not properly control the allocation and maintenance of a limited resource.
5521 vulnerabilities reference this CWE, most recent first.
CVE-2022-21155 (GCVE-0-2022-21155)
Vulnerability from cvelistv5 – Published: 2022-04-12 16:11 – Updated: 2025-04-16 16:30
VLAI
EPSS
VEX
Title
Fernhill SCADA Uncontrolled Resource Consumption
Summary
A specially crafted packet sent to the Fernhill SCADA Server Version 3.77 and earlier may cause an exception, causing the server process (FHSvrService.exe) to exit.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fernhill | SCADA Server |
Affected:
unspecified , ≤ 3.77
(custom)
|
Credits
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CVE-2022-20960 (GCVE-0-2022-20960)
Vulnerability from cvelistv5 – Published: 2022-11-03 19:30 – Updated: 2024-08-03 02:31
VLAI
EPSS
VEX
Summary
A vulnerability in Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper handling of certain TLS connections that are processed by an affected device. An attacker could exploit this vulnerability by establishing a large number of concurrent TLS connections to an affected device. A successful exploit could allow the attacker to cause the device to drop new TLS email messages that come from the associated email servers. Exploitation of this vulnerability does not cause the affected device to unexpectedly reload. The device will recover autonomously within a few hours of when the attack is halted or mitigated.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Secure Email |
Affected:
11.0.3-238
Affected: 11.1.0-069 Affected: 11.1.0-131 Affected: 11.1.0-128 Affected: 12.0.0-419 Affected: 12.1.0-071 Affected: 12.1.0-087 Affected: 12.1.0-089 Affected: 13.0.0-392 Affected: 13.5.1-277 Affected: 12.5.0-066 Affected: 14.0.0-698 Affected: 14.2.0-620 |
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CVE-2022-20854 (GCVE-0-2022-20854)
Vulnerability from cvelistv5 – Published: 2022-11-10 17:31 – Updated: 2024-08-03 02:24
VLAI
EPSS
VEX
Summary
A vulnerability in the processing of SSH connections of Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper error handling when an SSH session fails to be established. An attacker could exploit this vulnerability by sending a high rate of crafted SSH connections to the instance. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a reboot on the affected device.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Firepower Management Center |
Affected:
N/A
|
|
| Cisco | Cisco Firepower Threat Defense Software |
Affected:
N/A
|
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CVE-2022-20808 (GCVE-0-2022-20808)
Vulnerability from cvelistv5 – Published: 2022-07-06 20:30 – Updated: 2024-11-06 16:11
VLAI
EPSS
VEX
Title
Cisco Smart Software Manager On-Prem Denial of Service Vulnerability
Summary
A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to incorrect handling of multiple simultaneous device registrations on Cisco SSM On-Prem. An attacker could exploit this vulnerability by sending multiple device registration requests to Cisco SSM On-Prem. A successful exploit could allow the attacker to cause a DoS condition on an affected device.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Smart Software Manager On-Prem |
Affected:
n/a
|
Date Public
2022-07-06 00:00
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CVE-2022-20760 (GCVE-0-2022-20760)
Vulnerability from cvelistv5 – Published: 2022-05-03 03:15 – Updated: 2024-11-06 16:20
VLAI
EPSS
VEX
Title
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DNS Inspection Denial of Service Vulnerability
Summary
A vulnerability in the DNS inspection handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to a lack of proper processing of incoming requests. An attacker could exploit this vulnerability by sending crafted DNS requests at a high rate to an affected device. A successful exploit could allow the attacker to cause the device to stop responding, resulting in a DoS condition.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Adaptive Security Appliance (ASA) Software |
Affected:
n/a
|
Date Public
2022-04-27 00:00
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CVE-2022-20692 (GCVE-0-2022-20692)
Vulnerability from cvelistv5 – Published: 2022-04-15 14:16 – Updated: 2024-11-06 16:26
VLAI
EPSS
VEX
Title
Cisco IOS XE Software NETCONF Over SSH Denial of Service Vulnerability
Summary
A vulnerability in the NETCONF over SSH feature of Cisco IOS XE Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to insufficient resource management. An attacker could exploit this vulnerability by initiating a large number of NETCONF over SSH connections. A successful exploit could allow the attacker to exhaust resources, causing the device to reload and resulting in a DoS condition on an affected device.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XE Software |
Affected:
n/a
|
Date Public
2022-04-13 00:00
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CVE-2022-20691 (GCVE-0-2022-20691)
Vulnerability from cvelistv5 – Published: 2022-12-07 16:56 – Updated: 2024-08-03 02:17
VLAI
EPSS
VEX
Summary
A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Adaptive Telephone Adapter firmware could allow an unauthenticated, adjacent attacker to cause a DoS condition of an affected device.
This vulnerability is due to missing length validation of certain Cisco Discovery Protocol packet header fields. An attacker could exploit this vulnerability by sending crafted Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust available memory and cause the service to restart.
Cisco has released firmware updates that address this vulnerability.
Severity
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Analog Telephone Adaptor (ATA) Software |
Affected:
1.2.1
Affected: 1.2.2 SR1 Affected: 1.2.2 Affected: 1.2.2 SR2 Affected: 11.1.0 MSR4 Affected: 11.1.0 Affected: 11.1.0 MSR1 Affected: 11.1.0 MSR2 Affected: 11.1.0 MSR3 Affected: 1.1.0 Affected: 1.1.1 Affected: 1.1(4) Affected: 1.1.2 Affected: 2.1(6) Affected: 2.1(5) Affected: 2.16(2) Affected: 2.16(1) Affected: 3.2(0) Affected: 3.2(4) Affected: 3.2(3) Affected: 3.2(1) Affected: 2.15 Affected: 2.14 Affected: 1.34 Affected: 1.0(0) Affected: 3.1(1) Affected: 3.1(0) Affected: 3.1(2) Affected: 3.0(0) Affected: 9.2(3) Affected: 9.2(1) Affected: 9.0(3) Affected: 12.0.1 SR2 Affected: 12.0.1 Affected: 12.0.1 SR1 Affected: 12.0.1 SR3 Affected: 12.0.1 SR4 Affected: 11.2.1 |
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CVE-2022-20624 (GCVE-0-2022-20624)
Vulnerability from cvelistv5 – Published: 2022-02-23 17:40 – Updated: 2024-11-06 16:29
VLAI
EPSS
VEX
Title
Cisco NX-OS Software Cisco Fabric Services Over IP Denial of Service Vulnerability
Summary
A vulnerability in the Cisco Fabric Services over IP (CFSoIP) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of incoming CFSoIP packets. An attacker could exploit this vulnerability by sending crafted CFSoIP packets to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco NX-OS Software |
Affected:
n/a
|
Date Public
2022-02-23 00:00
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CVE-2022-4986 (GCVE-0-2022-4986)
Vulnerability from cvelistv5 – Published: 2026-04-02 21:52 – Updated: 2026-05-25 23:41
VLAI
EPSS
VEX
Title
Hirschmann EagleSDV Denial of Service via TLS
Summary
Hirschmann EagleSDV version 05.4.01 prior to 05.4.02 contains a denial-of-service vulnerability that causes the device to crash during session establishment when using TLS 1.0 or TLS 1.1. Attackers can trigger a crash by initiating TLS connections with these protocol versions to disrupt service availability.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
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|---|---|
| https://assets.belden.com/m/1c8fe5d916567af6/orig… | vendor-advisory |
| https://www.vulncheck.com/advisories/hirschmann-e… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Belden | Hirschmann EagleSDV |
Affected:
0 , ≤ 05.4.01
(custom)
Unaffected: 05.4.02 (custom) |
Date Public
2022-08-01 00:00
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CVE-2022-4952 (GCVE-0-2022-4952)
Vulnerability from cvelistv5 – Published: 2023-07-17 02:00 – Updated: 2024-08-03 01:55
VLAI
EPSS
VEX
Title
OmniSharp csharp-language-server-protocol JSON Serializer SerializerBase.cs CreateSerializerSettings resource consumption
Summary
A vulnerability has been found in OmniSharp csharp-language-server-protocol up to 0.19.6 and classified as problematic. This vulnerability affects the function CreateSerializerSettings of the file src/JsonRpc/Serialization/SerializerBase.cs of the component JSON Serializer. The manipulation leads to resource consumption. Upgrading to version 0.19.7 is able to address this issue. The patch is identified as 7fd2219f194a9ef2a8901bb131c5fa12272305ce. It is recommended to upgrade the affected component. VDB-234238 is the identifier assigned to this vulnerability.
Severity
CWE
- CWE-400 - Resource Consumption
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.234238 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.234238 | signaturepermissions-required |
| https://github.com/OmniSharp/csharp-language-serv… | issue-tracking |
| https://github.com/OmniSharp/csharp-language-serv… | patch |
| https://github.com/OmniSharp/csharp-language-serv… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OmniSharp | csharp-language-server-protocol |
Affected:
0.19.0
Affected: 0.19.1 Affected: 0.19.2 Affected: 0.19.3 Affected: 0.19.4 Affected: 0.19.5 Affected: 0.19.6 |
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"time": "2022-11-29T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2022-12-02T00:00:00.000Z",
"value": "Countermeasure disclosed"
},
{
"lang": "en",
"time": "2023-07-15T00:00:00.000Z",
"value": "CVE reserved"
},
{
"lang": "en",
"time": "2023-07-15T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2023-08-06T10:43:42.000Z",
"value": "VulDB entry last update"
}
],
"title": "OmniSharp csharp-language-server-protocol JSON Serializer SerializerBase.cs CreateSerializerSettings resource consumption"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2022-4952",
"datePublished": "2023-07-17T02:00:03.787Z",
"dateReserved": "2023-07-15T16:41:48.662Z",
"dateUpdated": "2024-08-03T01:55:46.088Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Architecture and Design
Design throttling mechanisms into the system architecture. The best protection is to limit the amount of resources that an unauthorized user can cause to be expended. A strong authentication and access control model will help prevent such attacks from occurring in the first place. The login application should be protected against DoS attacks as much as possible. Limiting the database access, perhaps by caching result sets, can help minimize the resources expended. To further limit the potential for a DoS attack, consider tracking the rate of requests received from users and blocking requests that exceed a defined rate threshold.
Mitigation
Architecture and Design
- Mitigation of resource exhaustion attacks requires that the target system either:
- The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.
- The second solution is simply difficult to effectively institute -- and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.
- recognizes the attack and denies that user further access for a given amount of time, or
- uniformly throttles all requests in order to make it more difficult to consume resources more quickly than they can again be freed.
Mitigation
Architecture and Design
Ensure that protocols have specific limits of scale placed on them.
Mitigation
Implementation
Ensure that all failures in resource allocation place the system into a safe posture.
CAPEC-147: XML Ping of the Death
An attacker initiates a resource depletion attack where a large number of small XML messages are delivered at a sufficiently rapid rate to cause a denial of service or crash of the target. Transactions such as repetitive SOAP transactions can deplete resources faster than a simple flooding attack because of the additional resources used by the SOAP protocol and the resources necessary to process SOAP messages. The transactions used are immaterial as long as they cause resource utilization on the target. In other words, this is a normal flooding attack augmented by using messages that will require extra processing on the target.
CAPEC-227: Sustained Client Engagement
An adversary attempts to deny legitimate users access to a resource by continually engaging a specific resource in an attempt to keep the resource tied up as long as possible. The adversary's primary goal is not to crash or flood the target, which would alert defenders; rather it is to repeatedly perform actions or abuse algorithmic flaws such that a given resource is tied up and not available to a legitimate user. By carefully crafting a requests that keep the resource engaged through what is seemingly benign requests, legitimate users are limited or completely denied access to the resource.
CAPEC-492: Regular Expression Exponential Blowup
An adversary may execute an attack on a program that uses a poor Regular Expression(Regex) implementation by choosing input that results in an extreme situation for the Regex. A typical extreme situation operates at exponential time compared to the input size. This is due to most implementations using a Nondeterministic Finite Automaton(NFA) state machine to be built by the Regex algorithm since NFA allows backtracking and thus more complex regular expressions.