CVE-2023-30570

7.5 highEPSS 1.2%

High (7.5) in libreswan libreswan. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2023-05-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

libreswan:libreswan

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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