CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
CVE-2020-3533 (GCVE-0-2020-3533)
Vulnerability from cvelistv5 – Published: 2020-10-21 18:35 – Updated: 2024-11-13 17:50
VLAI
Title
Cisco Firepower Threat Defense Software SNMP Denial of Service Vulnerability
Summary
A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to restart unexpectedly. The vulnerability is due to a lack of sufficient memory management protections under heavy SNMP polling loads. An attacker could exploit this vulnerability by sending a high rate of SNMP requests to the SNMP daemon through the management interface on an affected device. A successful exploit could allow the attacker to cause the SNMP daemon process to consume a large amount of system memory over time, which could then lead to an unexpected device restart, causing a denial of service (DoS) condition. This vulnerability affects all versions of SNMP.
Severity
8.6 (High)
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:
n/a
|
Date Public
2020-10-21 00:00
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CVE-2020-3543 (GCVE-0-2020-3543)
Vulnerability from cvelistv5 – Published: 2020-10-08 04:20 – Updated: 2024-11-13 17:53
VLAI
Title
Cisco Video Surveillance 8000 Series IP Cameras Cisco Discovery Protocol Memory Leak Vulnerability
Summary
A vulnerability in the Cisco Discovery Protocol of Cisco Video Surveillance 8000 Series IP Cameras could allow an unauthenticated, adjacent attacker to cause a memory leak, which could lead to a denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect processing of certain Cisco Discovery Protocol packets. An attacker could exploit this vulnerability by sending certain Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause the affected device to continuously consume memory, which could cause the device to crash and reload, resulting in a DOS condition. Note: Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
Severity
6.5 (Medium)
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 Video Surveillance 8000 Series IP Cameras |
Affected:
n/a
|
Date Public
2020-10-07 00:00
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CVE-2020-35498 (GCVE-0-2020-35498)
Vulnerability from cvelistv5 – Published: 2021-02-11 00:00 – Updated: 2025-04-23 19:46
VLAI
Summary
A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
Severity
7.5 (High)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1908845 | |
| https://www.openwall.com/lists/oss-security/2021/… | |
| https://www.debian.org/security/2021/dsa-4852 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-list |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202311-16 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | openvswitch |
Affected:
openvswitch 2.5.12, openvswitch 2.6.10, openvswitch 2.7.13, openvswitch 2.8.11, openvswitch 2.9.9, openvswitch 2.10.7, openvswitch 2.11.6, openvswitch 2.12.3, openvswitch 2.13.3, openvswitch 2.14.2
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CVE-2020-35510 (GCVE-0-2020-35510)
Vulnerability from cvelistv5 – Published: 2021-06-02 13:22 – Updated: 2024-08-04 17:02
VLAI
Summary
A flaw was found in jboss-remoting in versions before 5.0.20.SP1-redhat-00001. A malicious attacker could cause threads to hold up forever in the EJB server by writing a sequence of bytes corresponding to the expected messages of a successful EJB client request, but omitting the ACK messages, or just tamper with jboss-remoting code, deleting the lines that send the ACK message from the EJB client code resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1905796 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | jboss-remoting |
Affected:
jboss-remoting 5.0.20.SP1-redhat-00001
|
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CVE-2020-35534 (GCVE-0-2020-35534)
Vulnerability from cvelistv5 – Published: 2022-09-01 17:54 – Updated: 2024-08-04 17:02
VLAI
Summary
In LibRaw, there is a memory corruption vulnerability within the "crxFreeSubbandData()" function (libraw\src\decoders\crx.cpp) when processing cr3 files.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/LibRaw/LibRaw/issues/279 | x_refsource_MISC |
| https://github.com/LibRaw/LibRaw/commit/e41f331e9… | x_refsource_MISC |
Impacted products
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CVE-2020-3554 (GCVE-0-2020-3554)
Vulnerability from cvelistv5 – Published: 2020-10-21 18:41 – Updated: 2024-11-13 17:45
VLAI
Title
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Denial of Service Vulnerability
Summary
A vulnerability in the TCP packet processing 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 exhaustion condition. An attacker could exploit this vulnerability by sending a high rate of crafted TCP traffic through an affected device. A successful exploit could allow the attacker to exhaust device resources, resulting in a DoS condition for traffic transiting the affected device.
Severity
8.6 (High)
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
2020-10-21 00:00
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CVE-2020-3559 (GCVE-0-2020-3559)
Vulnerability from cvelistv5 – Published: 2020-09-24 17:51 – Updated: 2024-11-13 18:01
VLAI
Title
Cisco Aironet Access Point Authentication Flood Denial of Service Vulnerability
Summary
A vulnerability in Cisco Aironet Access Point (AP) Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper handling of clients that are trying to connect to the AP. An attacker could exploit this vulnerability by sending authentication requests from multiple clients to an affected device. A successful exploit could allow the attacker to cause the affected device to reload.
Severity
6.8 (Medium)
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 Aironet Access Point Software |
Affected:
n/a
|
Date Public
2020-09-24 00:00
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CVE-2020-3560 (GCVE-0-2020-3560)
Vulnerability from cvelistv5 – Published: 2020-09-24 17:50 – Updated: 2024-11-13 18:02
VLAI
Title
Cisco Aironet Access Points UDP Flooding Denial of Service Vulnerability
Summary
A vulnerability in Cisco Aironet Access Points (APs) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) on an affected device. The vulnerability is due to improper resource management while processing specific packets. An attacker could exploit this vulnerability by sending a series of crafted UDP packets to a specific port on an affected device. A successful exploit could either allow the attacker to tear down the connection between the AP and the wireless LAN controller, resulting in the affected device not being able to process client traffic, or cause the vulnerable device to reload, triggering a DoS condition. After the attack, the affected device should automatically recover its normal functions without manual intervention.
Severity
8.6 (High)
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 Aironet Access Point Software |
Affected:
n/a
|
Date Public
2020-09-24 00:00
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CVE-2020-3563 (GCVE-0-2020-3563)
Vulnerability from cvelistv5 – Published: 2020-10-21 18:41 – Updated: 2024-11-13 17:46
VLAI
Title
Cisco Firepower Threat Defense Software TCP Flood Denial of Service Vulnerability
Summary
A vulnerability in the packet processing functionality of 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 inefficient memory management. An attacker could exploit this vulnerability by sending a large number of TCP packets to a specific port on an affected device. A successful exploit could allow the attacker to exhaust system memory, which could cause the device to reload unexpectedly. No manual intervention is needed to recover the device after it has reloaded.
Severity
8.6 (High)
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:
n/a
|
Date Public
2020-10-21 00:00
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CVE-2020-3566 (GCVE-0-2020-3566)
Vulnerability from cvelistv5 – Published: 2020-08-29 15:15 – Updated: 2025-10-21 23:35
VLAI
Title
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability
Summary
A vulnerability in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protocol (IGMP) packets. An attacker could exploit this vulnerability by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to cause memory exhaustion, resulting in instability of other processes. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address this vulnerability.
Severity
8.6 (High)
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 XR Software |
Affected:
n/a
|
Date Public
2020-08-29 00:00
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"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A vulnerability in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protocol (IGMP) packets. An attacker could exploit this vulnerability by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to cause memory exhaustion, resulting in instability of other processes. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address this vulnerability."
}
]
},
"exploit": [
{
"lang": "en",
"value": "On August 28, 2020, the Cisco Product Security Incident Response Team (PSIRT) became aware of attempted exploitation of this vulnerability in the wild. For affected products, Cisco recommends implementing a mitigation that is appropriate for the customer\u2019s environment."
}
],
"impact": {
"cvss": {
"baseScore": "8.6",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.0"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-400"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "20200829 Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability",
"refsource": "CISCO",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dvmrp-memexh-dSmpdvfz"
}
]
},
"source": {
"advisory": "cisco-sa-iosxr-dvmrp-memexh-dSmpdvfz",
"defect": [
[
"CSCvv54838"
]
],
"discovery": "INTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2020-3566",
"datePublished": "2020-08-29T15:15:13.627Z",
"dateReserved": "2019-12-12T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:35:37.484Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Phase: Architecture and Design
Description:
- 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
Phase: Architecture and Design
Description:
- 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
Phase: Architecture and Design
Description:
- Ensure that protocols have specific limits of scale placed on them.
Mitigation
Phase: Implementation
Description:
- 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.