Race condition

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

Input validation

A vulnerability in the Unidirectional Link Detection UDLD feature of Cisco FXOS Software, Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload. This vulnerability is due t...

CVE-2021-1621 Cisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

CVE-2021-34714 Multiple Cisco Operating Systems Unidirectional Link Detection Denial of Service Vulnerability

A vulnerability in the Unidirectional Link Detection UDLD feature of Cisco FXOS Software, Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload. This vulnerability is due t...

CVE-2021-34740: Missing Release of Memory after Effective Lifetime

A vulnerability in the WLAN Control Protocol WCP implementation for Cisco Aironet Access Point AP software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service DoS condition. This vulnerability is due to incorrect error handli...

CVE-2021-34714: Improper Input Validation

A vulnerability in the Unidirectional Link Detection UDLD feature of Cisco FXOS Software, Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload. This vulnerability is due t...

CVE-2021-1621: Undefined Security Weakness

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

CVE-2021-34767: Always-Incorrect Control Flow Implementation

A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a Layer 2 L2 loop in a configured VLAN, resulting in a denial of service DoS condition for that...

Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service (cisco-sa-ewlc-ipv6-dos-NMYeCnZv)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a...

PT-2021-4321 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software affected versions not specified Description: A vulnerability in the Layer 2 punt code could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames,...

Information disclosure

A vulnerability has been identified in LOGO! CMR2020 All versions V2.2, LOGO! CMR2040 All versions V2.2, SIMATIC RTU3010C All versions V4.0.9, SIMATIC RTU3030C All versions V4.0.9, SIMATIC RTU3031C All versions V4.0.9, SIMATIC RTU3041C All versions V4.0.9. The underlying TCP/IP stack does not...

CVE-2021-37186

A vulnerability has been identified in LOGO! CMR2020 All versions V2.2, LOGO! CMR2040 All versions V2.2, SIMATIC RTU3010C All versions V4.0.9, SIMATIC RTU3030C All versions V4.0.9, SIMATIC RTU3031C All versions V4.0.9, SIMATIC RTU3041C All versions V4.0.9. The underlying TCP/IP stack does not...

CVE-2021-37186: Use of Insufficiently Random Values

A vulnerability has been identified in LOGO! CMR2020 All versions V2.2, LOGO! CMR2040 All versions V2.2, SIMATIC RTU3010C All versions V4.0.9, SIMATIC RTU3030C All versions V4.0.9, SIMATIC RTU3031C All versions V4.0.9, SIMATIC RTU3041C All versions V4.0.9. The underlying TCP/IP stack does not...

CVE-2021-34713

A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames...

Fortinet FortiClient 操作系统命令注入漏洞

Fortinet FortiClient is a structured agent from Fortinet, Inc. It is used to provide protection, compliance, and secure access in a single modular lightweight client. Fortinet FortiClient suffers from an operating system command injection vulnerability that can be exploited by an unauthenticated,...

FortiClient Linux - Command injection vulnerability

An OS command injection CWE-78 vulnerability in FortiClient for Linux may allow an unauthenticated, network-adjacent attacker to execute privileged and arbitrary commands on the Linux appliance on which FortiClient is running by tricking the user into connecting to a network with a malicious na...

(0Day) D-Link DIR-2055 HNAP PrivateLogin Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2055 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of...

(0Day) D-Link DIR-2055 HNAP Incorrect Comparison Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2055 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of...

python: Information disclosure via pydoc

A flaw was found in Python 3's pydoc. This flaw allows a local or adjacent attacker who discovers or can convince another local or adjacent user to start a pydoc server to access the server and then use it to disclose sensitive information belonging to the other user that they would not normally...

CVE-2021-34734

A vulnerability in the Link Layer Discovery Protocol LLDP implementation for the Cisco Video Surveillance 7000 Series IP Cameras firmware could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition. This vulnerability is due to improper management of memory...