VDB
ALPINE-CVE-2021-45079
ALPINE-CVE-2021-45079
PUBLISHED
CVSS 9.100000381469727 CRITICAL
In strongSwan before 5.9.5, a malicious responder can send an EAP-Success message too early without actually authenticating the client and (in the case of EAP methods with mutual authentication and EAP-only authentication for IKEv2) even without server authentication.
Risk Scores
CVSS v3.1
9.100000381469727
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.19 | strongswan | 5.3.3-r0, 4.5.2-r0, 4.6.1-r0 |
| Alpine:v3.13 | strongswan | 5.9.1-r0, 0, 4.6.1-r0 |
| Alpine:v3.17 | strongswan | 4.6.1-r0, 5.9.1-r3, 5.9.1-r2 |
| Alpine:v3.18 | strongswan | 0, 5.3.5-r1, 5.3.5-r2 |
| Alpine:v3.23 | strongswan | 5.7.2-r1, 0, 4.5.2-r0 |
| Alpine:v3.14 | strongswan | 5.3.4-r0, 5.8.0-r0, 5.7.2-r1 |
| Alpine:v3.16 | strongswan | 5.5.0-r0, 5.3.5-r2, 5.3.5-r1 |
| Alpine:v3.20 | strongswan | 5.8.0-r1, 5.8.1-r0, 5.8.1-r1 |
| Alpine:v3.15 | strongswan | 5.8.0-r1, 5.8.1-r0, 5.8.1-r1 |
| Alpine:v3.21 | strongswan | 5.3.1-r2, 5.3.0-r2, 5.3.0-r1 |
| Alpine:v3.22 | strongswan | 0, 5.8.1-r0, 5.8.1-r1 |
Timeline
- Jan 31, 2022 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch