CVE-2021-27854 L2 network filtering bypass using stacked VLAN0, LLC/SNAP headers, and Ethernet to Wifi frame translation

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse...

CVE-2021-27853

Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers...

多款Cisco产品安全漏洞

Cisco NX-OS Software and others are products of Cisco Corporation.Cisco NX-OS Software is a set of data center-grade operating system software used by switches.Cisco IOS is an operating system developed for its network devices.Cisco IOS XE Software is an operating system.Cisco IOS XE Software is...

PT-2022-4863 · Cisco · Cisco Ios +1

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: The issue is related to the implementation of the Ethernet encapsulation protocol, specifically concerning the combination of headers. This could allow ...

PT-2022-9876 · Ieee +1 · 802.2 +3

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned. Description: The issue allows Layer 2 network filtering capabilities, such as IPv6 RA guard, to be bypassed. This can be achieved by using specific combinations of VLAN 0 headers, LLC/SNAP...

多款Cisco产品安全漏洞

Cisco NX-OS Software and others are products of Cisco Corporation.Cisco NX-OS Software is a set of data center-grade operating system software used by switches.Cisco IOS is an operating system developed for its network devices.Cisco IOS XE Software is an operating system.Cisco IOS XE Software is...

PT-2022-9878 · Ieee +1 · 802.2 +3

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: The issue allows Layer 2 network filtering capabilities, such as IPv6 RA guard, to be bypassed. This can be achieved by utilizing LLC/SNAP headers with...

The vulnerability of the Layer 2 Tunneling Protocol (L2TP) implementation in Windows operating systems allows a hacker to execute arbitrary code.

The vulnerability of the Layer 2 Tunneling Protocol L2TP implementation in Windows operating systems is related to insufficient protection for confidential data. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

PT-2022-23022 · Openzeppelin · Openzeppelin Contracts

Name of the Vulnerable Software and Affected Versions: OpenZeppelin Contracts versions prior to 4.7.2 Description: The issue affects contracts using the cross chain utilities for Arbitrum L2, specifically CrossChainEnabledArbitrumL2 or LibArbitrumL2. These contracts classify direct interactions o...

CVE-2022-22210

A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on QFX5000 Series and MX Series allows an unauthenticated adjacent attacker to cause a Denial of Service DoS. On QFX5K Series and MX Series, when the PFE receives a specific VxLAN packet the...

CVE-2022-30211

Windows Layer 2 Tunneling Protocol L2TP Remote Code Execution Vulnerability...

CVE-2022-30211

Windows Layer 2 Tunneling Protocol L2TP Remote Code Execution Vulnerability...

PT-2022-3943 · Microsoft · Windows L2Tp +1

Name of the Vulnerable Software and Affected Versions: Windows Layer 2 Tunneling Protocol L2TP affected versions not specified Description: The issue is related to the implementation of the Layer 2 Tunneling Protocol L2TP in Windows, which is associated with insufficient protection of service dat...

Arista Networks Arista EOS 安全漏洞

Arista Networks Arista EOS is a scalable operating system for data centers and cloud network centers from Arista Networks, Inc. Arista EOS builds cloud architectures that scale to hundreds of thousands of compute and storage nodes with management and provisioning capabilities for large-scale jobs...

Optimism 安全漏洞

Optimism is a Layer 2 Optimistic Rollup network. It is designed to leverage the strong security guarantees of Ethernet while reducing its cost and latency. There is a security vulnerability in Optimism, no information about this vulnerability is available at this time, please stay tuned to CNNVD ...

January 18, 2022—KB5010791 (OS Build 17763.2458) Out-of-band

January 18, 2022—KB5010791 OS Build 17763.2458 Out-of-band 11/17/20 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1809, see its update history page. Highlights Updat...

January 17, 2022—KB5010795 (OS Build 22000.438) Out-of-band

January 17, 2022—KB5010795 OS Build 22000.438 Out-of-band For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 11 original release, see its update history page.Note Follow @WindowsUpda...

January 17, 2022—KB5010792 (OS Build 18363.2039) Out-of-band

January 17, 2022—KB5010792 OS Build 18363.2039 Out-of-band 11/19/20 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1909, see its update history page.Note Follow...

January 17, 2022—KB5010789 (OS Build 10240.19179) Out-of-band

January 17, 2022—KB5010789 OS Build 10240.19179 Out-of-band 12/8/20 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1507, see its update history page. Highlights Updat...

CVE-2022-22172

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer-2 control protocols daemon l2cpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a memory leak. Continued exploitation can lead to memory exhaustion and thereby a...