CVE-2024-20474

A vulnerability in Internet Key Exchange version 2 IKEv2 processing of Cisco Secure Client Software could allow an unauthenticated, remote attacker to cause a denial of service DoS of Cisco Secure Client. This vulnerability is due to an integer underflow condition. An attacker could exploit this...

CVE-2005-3667

Multiple unspecified vulnerabilities in multiple unspecified implementations of Internet Key Exchange version 1 IKEv1 have multiple unspecified attack vectors and impacts related to denial of service, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of information ...

CVE-2002-2225

SafeNet VPN client allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted Internet Key Exchange IKE response packets, possibly involving buffer overflows using 1 a large Security Parameter Index SPI field, 2 a large number of payloads, or 3 a long...

CVE-2003-1320

SonicWALL firmware before 6.4.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted Internet Key Exchange IKE response packets, possibly including 1 a large Security Parameter Index SPI field, 2 a large number of payloads, or 3 a long payload...

CVE-2005-3668

Multiple buffer overflows in multiple unspecified implementations of Internet Key Exchange version 1 IKEv1 have multiple unspecified attack vectors and impacts related to denial of service, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of information in the...

CVE-2005-3666

Multiple unspecified format string vulnerabilities in multiple unspecified implementations of Internet Key Exchange version 1 IKEv1 have multiple unspecified attack vectors and impacts, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of information in the original...

CVE-2025-20182

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 Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of servi...

CVE-2025-20192

A vulnerability in the Internet Key Exchange version 1 IKEv1 implementation of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service DoS condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability. This vulnerability is du...

CVE-2025-20192

Summary: CVE-2025-20192 affects Cisco IOS XE Software. It is a vulnerability in the IKEv1 implementation where improper validation of IKEv1 phase 2 parameters before handing off to the hardware cryptographic accelerator can allow an authenticated, remote attacker with valid IKEv1 VPN credentials ...

Cisco IOS XE 安全漏洞

Cisco IOS XE is an operating system from Cisco, Inc. Used as a single operating system for enterprise wired and wireless access, aggregation, core, and WAN, Cisco IOS XE reduces business and network complexity. A security vulnerability exists in Cisco IOS XE that stems from insufficient validatio...

[SECURITY] Fedora 42 Update: openiked-7.4-2.fc42

OpenIKED is a free, permissively licensed Internet Key Exchange IKEv2 implementation, developed as part of the OpenBSD project. It is intended to be a lean, secure and inter-operable daemon that allows for easy setup and management of IPsec VPNs...

The vulnerability of the Internet Key Exchange version 2 module in Cisco IOS XR operating systems allows a hacker to trigger a service failure.

The vulnerability of the Internet Key Exchange version 2 IKEv2 module in Cisco IOS XR operating systems is related to the use of incorrect authentication tokens due to unlimited resource allocation. Exploiting this vulnerability can allow a malicious actor to cause service failures...

CVE-2025-20209 Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability

A vulnerability in the Internet Key Exchange version 2 IKEv2 function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets. This vulnerability is due to improper handling of malformed IKEv2 packets. An...

Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability

A vulnerability in the Internet Key Exchange version 2 IKEv2 function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets. This vulnerability is due to improper handling of malformed IKEv2 packets. An...

Cisco IOS XR 安全漏洞

Cisco IOS XR is an operating system developed by the American company Cisco for its network devices. A denial of service vulnerability exists in Cisco IOS XR. The vulnerability stems from the incorrect handling of malformed IKEv2 packets. An attacker could exploit the vulnerability to cause a...

CVE-2024-46669

An Integer Overflow or Wraparound vulnerability CWE-190 in version 7.4.4 and below, version 7.2.10 and below; FortiSASE version 23.4.b FortiOS tenant IPsec IKE service may allow an authenticated attacker to crash the IPsec tunnel via crafted requests, resulting in potential denial of service...

libreswan: Invalid IKEv1 Quick Mode ID causes restart

A NULL pointer dereference flaw was found in Libreswan when processing IKEv1 Quick Mode requests. When an IKEv1 Quick Mode connection configured with IDIPV4ADDR or IDIPV6ADDR receives an IDcr payload with IDFQDN, it triggers a NULL pointer dereference error. This flaw allows a malicious client or...

libreswan: Invalid IKEv1 repeat IKE SA delete causes crash and restart

A NULL pointer dereference vulnerability was found in the Libreswan package. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the...

The vulnerability in the implementation of IPSec protocols on the SonicOS operating system allows a attacker to trigger a Denial-of-Service attack (DoS) or execute arbitrary code.

The vulnerability of the implementation of IPSec protocols on the SonicOS operating system is related to a numerical overflow condition. Exploiting this vulnerability allows a malicious actor to trigger a Denial-of-Service attack or execute arbitrary code by sending a specially crafted IKEv2...

libreswan: Invalid IKEv1 repeat IKE SA delete causes crash and restart

A NULL pointer dereference vulnerability was found in the Libreswan package. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the...