What is CVE-2023-30570?

CVE-2023-30570 is a high-severity vulnerability in Libreswan, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-05-29.

How severe is CVE-2023-30570?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-30570 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Libreswan

CVE-2023-30570

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.012 (64.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Libreswan
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

PhilipM-eu/ikepoke

References

cve@mitre.org (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2023-30570?: CVE-2023-30570 is a high-severity vulnerability in Libreswan, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-05-29.
How severe is CVE-2023-30570?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-30570 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.