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...

libreswan security update

An update is available for libreswan. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the...

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

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

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...

Cisco IOS XE Software Internet Key Exchange Version 1 Denial of Service Vulnerability

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...

PT-2025-20264 · 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 Internet Key Exchange version 1 IKEv1 implementation could allow an authenticated, remote attacker to cause a denial of service DoS condition. The...

Azure Linux 3.0 Security Update: libreswan (CVE-2024-3652)

The version of libreswan installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-3652 advisory. - The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without...

Azure Linux 3.0 Security Update: libreswan (CVE-2023-30570)

The version of libreswan installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-30570 advisory. - pluto in Libreswan before 4.11 allows a denial of service responder SPI mishandling and daemon crash via...

Linux Distros Unpatched Vulnerability : CVE-2023-38711

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with IDIPV4ADDR or IDIPV6ADDR receives an IDcr payload with...

Linux Distros Unpatched Vulnerability : CVE-2024-3652

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC,...

Linux Distros Unpatched Vulnerability : CVE-2023-38712

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by...

Linux Distros Unpatched Vulnerability : CVE-2017-13689

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The IKEv1 parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:ikev1idprint. CVE-2017-13689 Note that Nessus relies on the presence of the...

CVE-2024-20308

A vulnerability in the IKEv1 fragmentation code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a heap underflow, resulting in an affected device reloading. This vulnerability exists because crafted, fragmented IKEv1 packets are not properl...

Moderate: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

libreswan: Regression of CVE-2023-30570 fixes in the Red Hat Enterprise Linux

A vulnerability was found in the libreswan library. This security issue occurs when an IKEv1 Aggressive Mode packet is received with only unacceptable crypto algorithms, and the response packet is not sent with a zero responder SPI. When a subsequent packet is received where the sender reuses the...

libreswan: Regression of CVE-2023-30570 fixes in the Red Hat Enterprise Linux

A vulnerability was found in the libreswan library. This security issue occurs when an IKEv1 Aggressive Mode packet is received with only unacceptable crypto algorithms, and the response packet is not sent with a zero responder SPI. When a subsequent packet is received where the sender reuses the...

Moderate: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Fedora 41 : libreswan (2024-342c3cc98f)

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-342c3cc98f advisory. Automatic update for libreswan-4.15-2.fc41. Changelog Sat Jun 22 2024 Paul Wouters - 4.15-2 - Add libreswan-4.15-ipsecimport.patch Sat Jun 22 2024 Paul Woute...

CBL Mariner 2.0 Security Update: libreswan (CVE-2024-3652)

The version of libreswan installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-3652 advisory. - The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without...