Cisco Nexus 3000 9000 Series Switches IS-IS Protocol DoS (cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb)

A vulnerability in the Intermediate System-to-Intermediate System IS-IS protocol of Cisco NX-OS Software for the Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to...

CVE-2023-20169

A vulnerability in the Intermediate System-to-Intermediate System IS-IS protocol of Cisco NX-OS Software for the Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to...

Input validation

A vulnerability in the Intermediate System-to-Intermediate System IS-IS protocol of Cisco NX-OS Software for the Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to...

CVE-2023-20169

A vulnerability in the Intermediate System-to-Intermediate System IS-IS protocol of Cisco NX-OS Software for the Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to...

CVE-2023-20169

CVE-2023-20169 affects Cisco NX-OS Software on Nexus 3000 and Nexus 9000 switches in standalone NX-OS mode. The issue arises from insufficient input validation when parsing ingress IS-IS packets, allowing an unauthenticated, Layer-2 adjacent attacker to trigger an IS-IS process restart and cause ...

Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol Denial of Service Vulnerability

A vulnerability in the Intermediate System-to-Intermediate System IS-IS protocol of Cisco NX-OS Software for the Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to...

Cisco Nexus 5000, 6000, and 7000 Series Switches Software IS-IS Packet Processing Denial of Service (CVE-2017-3804)

A vulnerability in Intermediate System-to-Intermediate System IS-IS protocol packet processing of Cisco Nexus 5000, 6000, and 7000 Series Switches software could allow an unauthenticated, adjacent attacker to cause a reload of the affected device. Switches in the FabricPath domain crash because o...

CVE-2021-31362

A Protection Mechanism Failure vulnerability in RPD routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause established IS-IS adjacencies to go down by sending a spoofed hello PDU leading to a Denial of Service DoS condition...

Design/Logic Flaw

A Protection Mechanism Failure vulnerability in RPD routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause established IS-IS adjacencies to go down by sending a spoofed hello PDU leading to a Denial of Service DoS condition...

CVE-2021-31362

The CVE-2021-31362 issue is a Protection Mechanism Failure in Juniper Networks Junos OS and Junos OS Evolved RPD (routing protocol daemon). An adjacent unauthenticated attacker can disable established IS-IS adjacencies by sending a spoofed hello PDU, causing an immediate DoS with sustained impact...

CVE-2021-31362 Junos OS and Junos OS Evolved: An IS-IS adjacency might be taken down if a bad hello PDU is received for an existing adjacency causing a DoS

A Protection Mechanism Failure vulnerability in RPD routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause established IS-IS adjacencies to go down by sending a spoofed hello PDU leading to a Denial of Service DoS condition...

Juniper Junos OS Vulnerability (JSA11224)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA11224 advisory. - A Protection Mechanism Failure vulnerability in RPD routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker t...

CVE-2020-15897

Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause traffic loss or incorrect forwarding of traffic via a malformed link-state PDU to the IS-IS router...

Code injection

Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause traffic loss or incorrect forwarding of traffic via a malformed link-state PDU to the IS-IS router...

CVE-2020-15897

CVE-2020-15897 affects Arista EOS where malformed IS-IS link-state PDUs can cause traffic loss or incorrect forwarding. Affected EOS versions are 4.21.12M and all 4.22.x prior to 4.22.7M, all 4.23.x prior to 4.23.5M, and all 4.24.x prior to 4.24.2F. The issue arises in the IS-IS router when proce...

Security Advisory 0054

Security Advisory 0054 PDF Date: October 7th, 2020 Version: 1.0 Revision | Date | Changes ---|---|--- 1.0 | October 7th, 2020 | Initial Release The CVE-ID tracking this issue is: CVE-2020-15897 CVSSv3.1 Base Score: 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Description This advisory documen...

Huawei Data Communication: Deploying IS-IS Authentication

IS-IS authentication is deployed to prevent attackers from attempting to use the control plane protocol to destroy entries on which forwarding depends, such as routes. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright ...

Cisco IOS XR Software Intermediate System-to-Intermediate System DoS (cisco-sa-20200122-ios-xr-dos)

According to its self-reported version, the Cisco IOS XR Software is affected by a denial of service DoS vulnerability in the implementation of the Intermediate System-to-Intermediate System IS-IS routing protocol functionality due to improper handling of a Simple Network Management Protocol SNMP...

CVE-2019-16027

A vulnerability in the implementation of the Intermediate SystemtoIntermediate System ISIS routing protocol functionality in Cisco IOS XR Software could allow an authenticated, remote attacker to cause a denial of service DoS condition in the ISIS process. The vulnerability is due to improper...

Design/Logic Flaw

A vulnerability in the implementation of the Intermediate SystemtoIntermediate System ISIS routing protocol functionality in Cisco IOS XR Software could allow an authenticated, remote attacker to cause a denial of service DoS condition in the ISIS process. The vulnerability is due to improper...