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.
5567 vulnerabilities reference this CWE, most recent first.
CVE-2020-8123 (GCVE-0-2020-8123)
Vulnerability from cvelistv5 – Published: 2020-02-04 19:08 – Updated: 2024-08-04 09:48
VLAI
EPSS
VEX
Summary
A denial of service exists in strapi v3.0.0-beta.18.3 and earlier that can be abused in the admin console using admin rights can lead to arbitrary restart of the application.
Severity
No CVSS data available.
CWE
- CWE-400 - Denial of Service (CWE-400)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://hackerone.com/reports/768574 | x_refsource_MISC |
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CVE-2020-7587 (GCVE-0-2020-7587)
Vulnerability from cvelistv5 – Published: 2020-07-14 13:18 – Updated: 2024-08-04 09:33
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in Opcenter Execution Discrete (All versions < V3.2), Opcenter Execution Foundation (All versions < V3.2), Opcenter Execution Process (All versions < V3.2), Opcenter Intelligence (All versions < V3.3), Opcenter Quality (All versions < V11.3), Opcenter RD&L (V8.0), SIMATIC IT LMS (All versions < V2.6), SIMATIC IT Production Suite (All versions < V8.0), SIMATIC Notifier Server for Windows (All versions), SIMATIC PCS neo (All versions < V3.0 SP1), SIMATIC STEP 7 (TIA Portal) V15 (All versions < V15.1 Update 5), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 2), SIMOCODE ES V15.1 (All versions < V15.1 Update 4), SIMOCODE ES V16 (All versions < V16 Update 1), Soft Starter ES V15.1 (All versions < V15.1 Update 3), Soft Starter ES V16 (All versions < V16 Update 1). Sending multiple specially crafted packets to the affected service could cause a partial remote denial-of-service, that would cause the service to restart itself. On some cases the vulnerability could leak random information from the remote service.
Severity
No CVSS data available.
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | Opcenter Execution Discrete |
Affected:
All versions < V3.2
|
|
| Siemens | Opcenter Execution Foundation |
Affected:
All versions < V3.2
|
|
| Siemens | Opcenter Execution Process |
Affected:
All versions < V3.2
|
|
| Siemens | Opcenter Intelligence |
Affected:
All versions < V3.3
|
|
| Siemens | Opcenter Quality |
Affected:
All versions < V11.3
|
|
| Siemens | Opcenter RD&L |
Affected:
V8.0
|
|
| Siemens | SIMATIC IT LMS |
Affected:
All versions < V2.6
|
|
| Siemens | SIMATIC IT Production Suite |
Affected:
All versions < V8.0
|
|
| Siemens | SIMATIC Notifier Server for Windows |
Affected:
All versions
|
|
| Siemens | SIMATIC PCS neo |
Affected:
All versions < V3.0 SP1
|
|
| Siemens | SIMATIC STEP 7 (TIA Portal) V15 |
Affected:
All versions < V15.1 Update 5
|
|
| Siemens | SIMATIC STEP 7 (TIA Portal) V16 |
Affected:
All versions < V16 Update 2
|
|
| Siemens | SIMOCODE ES V15.1 |
Affected:
All versions < V15.1 Update 4
|
|
| Siemens | SIMOCODE ES V16 |
Affected:
All versions < V16 Update 1
|
|
| Siemens | Soft Starter ES V15.1 |
Affected:
All versions < V15.1 Update 3
|
|
| Siemens | Soft Starter ES V16 |
Affected:
All versions < V16 Update 1
|
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CVE-2020-7584 (GCVE-0-2020-7584)
Vulnerability from cvelistv5 – Published: 2020-07-14 13:18 – Updated: 2024-08-04 09:33
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation.
Severity
No CVSS data available.
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens AG | SIMATIC S7-200 SMART CPU family |
Affected:
All versions >= V2.2 < V2.5.1
|
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CVE-2020-7507 (GCVE-0-2020-7507)
Vulnerability from cvelistv5 – Published: 2020-06-16 19:43 – Updated: 2024-08-04 09:33
VLAI
EPSS
VEX
Summary
A CWE-400: Uncontrolled Resource Consumption vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older) which could allow an attacker to login multiple times resulting in a denial of service.
Severity
No CVSS data available.
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.se.com/ww/en/download/document/SEVD-2… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Easergy T300 (Firmware version 1.5.2 and older) |
Affected:
Easergy T300 (Firmware version 1.5.2 and older)
|
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CVE-2020-6986 (GCVE-0-2020-6986)
Vulnerability from cvelistv5 – Published: 2020-03-05 20:05 – Updated: 2026-06-02 19:52
VLAI
EPSS
VEX
Summary
In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - UNCONTROLLED RESOURCE CONSUMPTION CWE-400
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.us-cert.gov/ics/advisories/icsa-20-063-03 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Omron PLC CJ Series |
Affected:
all versions
|
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CVE-2020-5423 (GCVE-0-2020-5423)
Vulnerability from cvelistv5 – Published: 2020-12-02 01:55 – Updated: 2024-09-17 03:43
VLAI
EPSS
VEX
Title
Cloud Controller is vulnerable to denial of service via YAML parsing
Summary
CAPI (Cloud Controller) versions prior to 1.101.0 are vulnerable to a denial-of-service attack in which an unauthenticated malicious attacker can send specially-crafted YAML files to certain endpoints, causing the YAML parser to consume excessive CPU and RAM.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cloudfoundry.org/blog/cve-2020-5423 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cloud Foundry | CAPI |
Affected:
All , < 1.101.0
(custom)
|
|
| Cloud Foundry | CF Deployment |
Affected:
All , < 15.0.0
(custom)
|
Date Public
2020-12-01 00:00
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CVE-2020-5347 (GCVE-0-2020-5347)
Vulnerability from cvelistv5 – Published: 2020-04-03 23:20 – Updated: 2024-09-16 18:28
VLAI
EPSS
VEX
Summary
Dell EMC Isilon OneFS versions 8.2.2 and earlier contain a denial of service vulnerability. SmartConnect had an error condition that may be triggered to loop, using CPU and potentially preventing other SmartConnect DNS responses.
Severity
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/security/en-us/detai… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Isilon OneFS |
Affected:
unspecified , < 8.2.2
(custom)
|
Date Public
2020-03-20 00:00
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CVE-2020-5236 (GCVE-0-2020-5236)
Vulnerability from cvelistv5 – Published: 2020-02-04 03:05 – Updated: 2024-08-04 08:22
VLAI
EPSS
VEX
Title
Catastrophic backtracking in regex allows Denial of Service in Waitress
Summary
Waitress version 1.4.2 allows a DOS attack When waitress receives a header that contains invalid characters. When a header like "Bad-header: xxxxxxxxxxxxxxx\x10" is received, it will cause the regular expression engine to catastrophically backtrack causing the process to use 100% CPU time and blocking any other interactions. This allows an attacker to send a single request with an invalid header and take the service offline. This issue was introduced in version 1.4.2 when the regular expression was updated to attempt to match the behaviour required by errata associated with RFC7230. The regular expression that is used to validate incoming headers has been updated in version 1.4.3, it is recommended that people upgrade to the new version of Waitress as soon as possible.
Severity
5.7 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Pylons/waitress/security/advis… | x_refsource_CONFIRM |
| https://github.com/Pylons/waitress/commit/6e46f9e… | x_refsource_MISC |
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CVE-2020-3572 (GCVE-0-2020-3572)
Vulnerability from cvelistv5 – Published: 2020-10-21 18:40 – Updated: 2024-11-13 17:47
VLAI
EPSS
VEX
Title
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS Session Denial of Service Vulnerability
Summary
A vulnerability in the SSL/TLS session handler of Cisco Adaptive Security Appliance (ASA) Software 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. The vulnerability is due to a memory leak when closing SSL/TLS connections in a specific state. An attacker could exploit this vulnerability by establishing several SSL/TLS sessions and ensuring they are closed under certain conditions. A successful exploit could allow the attacker to exhaust memory resources in the affected device, which would prevent it from processing new SSL/TLS connections, resulting in a DoS. Manual intervention is required to recover an affected device.
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 | |
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| Cisco | Cisco Adaptive Security Appliance (ASA) Software |
Affected:
n/a
|
Date Public
2020-10-21 00:00
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CVE-2020-3571 (GCVE-0-2020-3571)
Vulnerability from cvelistv5 – Published: 2020-10-21 18:40 – Updated: 2024-11-13 17:46
VLAI
EPSS
VEX
Title
Cisco Firepower 4110 ICMP Flood Denial of Service Vulnerability
Summary
A vulnerability in the ICMP ingress packet processing of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 4110 appliances could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incomplete input validation upon receiving ICMP packets. An attacker could exploit this vulnerability by sending a high number of crafted ICMP or ICMPv6 packets to an affected device. A successful exploit could allow the attacker to cause a memory exhaustion condition that may result in an unexpected reload. No manual intervention is needed to recover the device after the reload.
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 Firepower Threat Defense Software |
Affected:
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|
Date Public
2020-10-21 00:00
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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.