CVE-2019-19331

Knot Resolver (knot-resolver) is affected by CVE-2019-19331, with exploitation arising from processing DNS responses containing a large number of resource records. The issue exists in versions before 4.3.0, and can cause denial of service via high CPU utilization, potentially taking several CPU s...

CVE-2019-19331

knot-resolver before version 4.3.0 is vulnerable to denial of service through high CPU utilization. DNS replies with very many resource records might be processed very inefficiently, in extreme cases taking even several CPU seconds for each such uncached message. For example, a few thousand A...

CVE-2019-19331

knot-resolver before version 4.3.0 is vulnerable to denial of service through high CPU utilization. DNS replies with very many resource records might be processed very inefficiently, in extreme cases taking even several CPU seconds for each such uncached message. For example, a few thousand A...

EmbedThis GoAhead web server denial-of-service vulnerability

Summary A denial-of-service vulnerability exists in the processing of multi-part/form-data requests in the base GoAhead web server application in versions v5.0.1, v.4.1.1 and v3.6.5. A specially crafted HTTP request can lead to an infinite loop in the process. The request can be unauthenticated i...

CVE-2017-5637

A denial of service vulnerability was discovered in ZooKeeper which allows an attacker to dramatically increase CPU utilization by abusing "wchp/wchc" commands, leading to the server being unable to serve legitimate requests...

CVE-2019-12698

A vulnerability in the WebVPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load f...

Design/Logic Flaw

A vulnerability in the WebVPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load f...

CVE-2019-12698

Cisco ASA Software and Cisco FTD WebVPN CPU Denial of Service (CVE-2019-12698) allows unauthenticated remote attackers to trigger high CPU by repeated WebVPN HTTP page requests, causing DoS. Affected ASA/FTD versions are mitigated by Cisco software updates; there are no supported workarounds per ...

High-Severity Bug Leaves Cisco TelePresence Gear Open to Attack

Cisco Systems has patched two high-severity vulnerabilities that can be exploited by remote unauthenticated adversaries to launch denial of service attacks. Impacted are Cisco’s TelePresence Video Communication Server and the company’s ASA 5500-X Series Firewalls. The vulnerability with the wides...

CVE-2018-15388

A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing...

CVE-2018-15388

The CVE-2018-15388 issue affects Cisco ASA and Cisco FTD WebVPN login functionality. Root cause: excessive processing load for existing WebVPN login operations leads to unauthenticated remote attackers sending multiple login requests, increasing CPU usage and causing a DoS. Documented impact: ele...

CVE-2018-15388 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability

A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing...

CVE-2019-1720

A vulnerability in the XML API of Cisco Expressway Series and Cisco TelePresence Video Communication Server VCS could allow an authenticated, remote attacker to cause the CPU to increase to 100% utilization, causing a denial of service DoS condition on an affected system. The vulnerability is due...

CVE-2019-1721 Cisco Expressway Series and Cisco TelePresence Video Communication Server Denial of Service Vulnerability

A vulnerability in the phone book feature of Cisco Expressway Series and Cisco TelePresence Video Communication Server VCS could allow an authenticated, remote attacker to cause the CPU to increase to 100% utilization, causing a denial of service DoS condition on an affected system. The...

Cisco Expressway Series and Cisco TelePresence Video Communication Server Denial of Service Vulnerability

A vulnerability in the XML API of Cisco Expressway Series and Cisco TelePresence Video Communication Server VCS could allow an authenticated, remote attacker to cause the CPU to increase to 100% utilization, causing a denial of service DoS condition on an affected system. The vulnerability is due...

Cisco Expressway Series and Cisco TelePresence Video Communication Server Denial of Service Vulnerability

A vulnerability in the phone book feature of Cisco Expressway Series and Cisco TelePresence Video Communication Server VCS could allow an authenticated, remote attacker to cause the CPU to increase to 100% utilization, causing a denial of service DoS condition on an affected system. The...

Cisco Patches Critical ‘Default Password’ Bug

Cisco Systems is warning customers that a discovery tool for network devices can be accessed by a remote and unauthenticated attacker. The flaw could allow an adversary to log into the system and collect sensitive data tied to host operating systems and hardware. The disclosure is part of a Cisco...

CVE-2018-15460

A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances ESA could allow an unauthenticated, remote attacker to cause the CPU utilization to increase to 100 percent, causing a denial of service DoS condition on an affected device. The...

CVE-2018-15460

CVE-2018-15460 affects Cisco AsyncOS Software for Cisco Email Security Appliances (ESA). The flaw is in the email message filtering feature, caused by improper filtering of messages that reference whitelisted URLs. An unauthenticated, remote attacker can send a malicious email containing a large ...

CVE-2018-15460 Cisco Email Security Appliance URL Filtering Denial of Service Vulnerability

A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances ESA could allow an unauthenticated, remote attacker to cause the CPU utilization to increase to 100 percent, causing a denial of service DoS condition on an affected device. The...