CVE-2023-30570

HIGH

Libreswan 3.28-4.10 - Unauthenticated Denial of Service via IKEv1 Aggressive Mode Packets

Title source: llm
STIX 2.1

Description

pluto in Libreswan before 4.11 allows a denial of service (responder SPI mishandling and daemon crash) via unauthenticated IKEv1 Aggressive Mode packets. The earliest affected version is 3.28.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0118
EPSS Percentile 63.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (1)
libreswan/libreswan 3.28 - 4.10
Published May 29, 2023
Tracked Since Feb 18, 2026