CVE-2023-30570

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-29 · updated 2026-06-17
Weakness: CWE-400

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.

Affected products

The Libreswan Project libreswan: from 3.28 through 4.10

References

https://libreswan.org/security/CVE-2023-30570/CVE-2023-30570.txt
https://libreswan.org/security/CVE-2023-30570/CVE-2023-30570.txt

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