CVE-2023-30570
7.5
HIGH
CVSS 3.1
EPSS 0.18%
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.
How to fix CVE-2023-30570
To remediate CVE-2023-30570, upgrade the affected package to a fixed version below.
- Debian/libreswan—upgrade to 4.3-1+deb11u4 or later
Is CVE-2023-30570 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.3-1+deb11u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |