The vulnerability of Cisco IOS XE operating systems, related to insufficient validation of input data, allows attackers to compromise the accessibility of protected information.

The vulnerability of Cisco IOS XE operating systems is related to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to compromise the accessibility of protected information...

The vulnerability of Cisco IOS XE operating systems, related to insufficient control over resources during their existence, allows attackers to compromise the accessibility of protected information.

The vulnerability of Cisco IOS XE operating systems is related to insufficient control over resources during their existence. Exploiting this vulnerability can allow a malicious actor to compromise the accessibility of protected information...

The vulnerability of Cisco IOS XE operating systems, related to operations beyond the buffer in memory, allows attackers to compromise the accessibility of protected information.

The vulnerability of Cisco IOS XE operating systems is related to operations that occur outside of the buffer in memory. Exploiting this vulnerability can allow a remote attacker to compromise the accessibility of protected information...

The vulnerability of the Extensible Messaging Client Protocol (XMCP) in Cisco IOS and Cisco IOS XE operating systems allows a perpetrator to induce a service failure.

The vulnerability of the Extensible Messaging Client Protocol XMCP in Cisco IOS and Cisco IOS XE operating systems lies in the lack of input validation for cyclic operations. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...

Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IKEv2 DoS (cisco-sa-multiprod-ikev2-dos-gPctUqv2)

According to its self-reported version, Cisco IOS Software is affected by a vulnerability. - A vulnerability in the Internet Key Exchange version 2 IKEv2 protocol processing of Cisco Adaptive Security Appliance ASA Software, Cisco Firepower Threat Defense FTD Software, Cisco IOS Software, and Cis...

The vulnerability of the Cisco IOS XE operating system, which allows a perpetrator to access confidential information

The vulnerability of the Cisco IOS XE operating system is related to the transmission of critical information in plaintext. Exploiting this vulnerability can allow a remote attacker to gain access to confidential information...

The vulnerability of the IS-IS routing protocol implementation in Cisco IOS XR operating systems allows a attacker to cause service interruptions.

The vulnerability of the IS-IS routing protocol implementation in Cisco IOS XR operating systems is related to incorrect validation of certain types of input data. Exploiting this vulnerability can allow an attacker to cause service interruptions remotely...

The vulnerability of the Internet Key Exchange Version 2 (IKEv2) function in Cisco IOS operating systems, as well as in the Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) network devices, allows attackers to induce service interruptions.

The vulnerability of the Internet Key Exchange Version 2 IKEv2 function in Cisco IOS operating systems, as well as in the Cisco Adaptive Security Appliance ASA and Cisco Firepower Threat Defense FTD devices, is related to a memory leak error during the processing of incoming IKEv2 packets...

CVE-2026-20113

creationtimestamp| type| source ---|---|--- 2026-03-26 03:00:10+00:00| seen|...

EUVD-2026-15440

A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to cause a denial of service DoS condition on an affected device. This vulnerability exists because incorrect privileges are associated with the start maintenance command. An attacker could exploit th...

EUVD-2026-15449

A vulnerability in the HTTP Server feature of Cisco IOS Software and Cisco IOS XE Software Release 3E could allow an authenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS condition. This vulnerability is due to improper validation ...

EUVD-2026-15429

A vulnerability in the Secure Copy Protocol SCP server feature of Cisco IOS XE Software could allow an authenticated, local attacker with low privileges to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of a malformed SCP request. An...

CVE-2026-20110

A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to cause a denial of service DoS condition on an affected device. This vulnerability exists because incorrect privileges are associated with the start maintenance command. An attacker could exploit th...

CVE-2026-20012

The CVE-2026-20012 entry describes a memory-leak DoS in the IKEv2 handling of Cisco IOS, IOS XE, ASA, and FTDS (Threat Defense). Root cause: improper parsing of IKEv2 packets leading to conditions where devices reload (IOS/IOS XE) or exhaust memory to the point of instability (ASA/FTD). Affected ...

Cisco IOS XE Software for Cisco Catalyst and Rugged Series Switches Secure Boot Bypass Vulnerability

A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series Switches, and Cisco IE3500 and IE3505 Rugged Series Switches could allow an authenticated, local...

PT-2026-27799

Name of the Vulnerable Software and Affected Versions Cisco IOS Software and Cisco IOS XE Software Release 3E Description A flaw exists in the HTTP Server feature that could allow a remote attacker with valid user credentials to cause an unexpected device reload, leading to a denial of service Do...

Cisco IOS XE和Cisco Secure Firewall Threat Defense 数字错误漏洞

Cisco IOS XE and Cisco Secure Firewall Threat Defense are both products of the American company Cisco. Cisco IOS XE is an operating system. It serves as a single operating system for enterprise wired and wireless access, aggregation, core, and WAN operations. Cisco IOS XE reduces the complexity o...

Cisco Secure Firewall Threat Defense和Cisco IOS XE Software 安全漏洞

Cisco Secure Firewall Threat Defense and Cisco IOS XE Software are both products of the American company Cisco. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Cisco IOS XE Software is a network operating system. Both Cisco Secure Firewall Threat Defense and Cisco IOS XE...

PT-2025-45579

What is the critical vulnerability being exploited in the ongoing cyber attacks targeting unpatched Cisco IOS XE devices in Australia, linked to the implant known as BADCANDY? A CVE-2021-34527 B CVE-2023-20198 C CVE-2022-12345 D CVE-2023-10554...

Hackers Deploy Linux Rootkits via Cisco SNMP Flaw in 'Zero Disco' Attacks

Cybersecurity researchers have disclosed details of a new campaign that exploited a recently disclosed security flaw impacting Cisco IOS Software and IOS XE Software to deploy Linux rootkits on older, unprotected systems. The activity, codenamed Operation Zero Disco by Trend Micro, involves the...