Vulnerability Report

CVE-2024-3652

Title: Libreswan Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2024-3652.

CWE Category CWE-404

Published Date Apr 11, 2024

Modified Date Jun 17, 2025

Exploit Status Not Found

Score 6.5 CVSS v3.1

Exploit Probability (EPSS)

0.04%

Vulnerability Summary

CVE-2024-3652: 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, libreswan's default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.

Impacted Vendors

libreswan 1

Reference Links

http://www.openwall.com/lists/oss-security/2024/04/18/2 https://libreswan.org/security/CVE-2024-3652 http://www.openwall.com/lists/oss-security/2024/04/18/2 https://libreswan.org/security/CVE-2024-3652

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2024-3652 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2025 MODIFIED

Vulnerability data or affected products updated.

April 11, 2024 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.