Design/Logic Flaw

A remote adversary with the ability to send arbitrary CoAP packets to be parsed by Zephyr is able to cause a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions...

CVE-2020-10063

CVE-2020-10063 concerns Zephyr RTOS. Multiple connected sources confirm a vulnerability in Zephyr where an input validation error in CoAP packet handling can allow a remote attacker to cause a denial of service. Affected product/version: Zephyr (zephyrproject-rtos) version 2.2.0 and later. The CN...

ntp input validation error vulnerability

Network Time Protocol NTP, Network Time Protocol is a network protocol that synchronizes the clocks of two computers by exchanging packets. A security vulnerability exists in ntpd in versions prior to ntp 4.2.8p14 and 4.3.100 prior to 4.3.x. A remote attacker could exploit this vulnerability by...

Cisco NX-OS Software Unexpected IP in IP Packet Processing Vulnerability (cisco-sa-nxos-ipip-dos-kCT9X4)

According to its self-reported version, the Cisco NX-OS Software is affected by a denial of service vulnerability in the network stack due to the affected device unexpectedly decapsulating and processing IP in IP packets that are destined to a locally configured IP address. An unauthenticated,...

Huawei Data Communication: SegmentSmack Vulnerability in Linux Kernel (huawei-sa-20181031-02-linux)

There is a DoS vulnerability in the Linux Kernel versions 4.9+ and supported versions known as a SegmentSmack attack. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

CVE-2020-13817

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service daemon exit or system time change by predicting transmit timestamps for use in spoofed packets. The victim must be relying on unauthenticated IPv4 time sources. There must be an off-path...

DEBIAN-CVE-2020-13817

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service daemon exit or system time change by predicting transmit timestamps for use in spoofed packets. The victim must be relying on unauthenticated IPv4 time sources. There must be an off-path...

CVE-2020-13817

CVE-2020-13817 affects ntp’s ntpd prior to 4.2.8p14 and 4.3.x prior to 4.3.100. An off‑path attacker can predict transmit timestamps in spoofed UDP packets to remote ntpd, causing a DoS via daemon exit or system time change when the victim relies on unauthenticated IPv4 time sources. Connected so...

CVE-2020-13817

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service daemon exit or system time change by predicting transmit timestamps for use in spoofed packets. The victim must be relying on unauthenticated IPv4 time sources. There must be an off-path...

Cisco Firepower Threat Defense (FTD) DoS (cisco-sa-asaftd-mgcp-SUqB8VKH)

A denial of service DoS vulnerability exists in Cisco Firepower Threat Defense FTD due to inefficient memory management in its Media Gateway Control Protocol MGCP inspection component. An unauthenticated, remote attacker can exploit this issue, by sending specially crafted packets to an affected...

Cisco IOS and IOS XE Input Validation Error Vulnerability

Cisco IOS and IOS XE are a set of operating systems developed by Cisco for its network devices. An input validation error vulnerability exists in the implementation of IKEv2 in Cisco IOS Software and Cisco IOS XE Software, which stems from the program's failure to properly handle specially crafte...

Multiple Cisco Products Input Validation Error Vulnerability (CNVD-2020-31994)

Cisco 809 Industrial Integrated Services Routers are products of Cisco Corporation.Cisco 809 Industrial Integrated Services Routers are industrial integrated multi-service routers.Cisco 829 Industrial Integrated Services Routers are industrial integrated multi-service routers.Cisco 1000 Series...

Cisco Catalyst 9800 Series Wireless Controllers IOS XE Software Resource Management Error Vulnerability

Cisco IOS XE is the United States Cisco Cisco company's set of operating system developed for its network equipment. A resource management error vulnerability exists in the LSC provisioning feature of the IOS XE Software in Cisco Catalyst 9800 Series Wireless Controllers, which stems from the...

CVE-2020-3228

A vulnerability in Security Group Tag Exchange Protocol SXP in Cisco IOS Software, Cisco IOS XE Software, and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service DoS condition. The vulnerability exists becau...

CVE-2020-3230

A vulnerability in the Internet Key Exchange Version 2 IKEv2 implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent IKEv2 from establishing new security associations. The vulnerability is due to incorrect handling of crafted IKEv2...

CVE-2020-3220

A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The...

Design/Logic Flaw

A vulnerability in the Internet Key Exchange Version 2 IKEv2 implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent IKEv2 from establishing new security associations. The vulnerability is due to incorrect handling of crafted IKEv2...

Design/Logic Flaw

A vulnerability in the locally significant certificate LSC provisioning feature of Cisco Catalyst 9800 Series Wireless Controllers that are running Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak that could lead to a denial of service DoS condition. Th...

CVE-2020-3220 Cisco IOS XE Software IPsec VPN Denial of Service Vulnerability

A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The...

CVE-2020-3205 Cisco IOS Software for Cisco Industrial Routers Virtual Device Server Inter-VM Channel Command Injection Vulnerability

A vulnerability in the implementation of the inter-VM channel of Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers Industrial ISRs and Cisco 1000 Series Connected Grid Routers CGR1000 could allow an unauthenticated, adjacent attacker to execute arbitrary shell comman...