CVE-2023-30570
HIGH
7.5
CVSS Score
Published: May 28, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:55 AM UTC
1 product affected across 1 vendorLibreswan
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.28 ≤ v ≤ 4.10
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
MitigationVendor Advisory
Source: [email protected]
https://libreswan.org/security/CVE-2023-30570/CVE-2023-30570.txtSSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400
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