VDB
ALPINE-CVE-2021-45079
ALPINE-CVE-2021-45079
PUBLISHED
CVSS 9.100000381469727 CRITICAL
Record from OSV · Published January 31, 2022
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| strongswan | Alpine:v3.19 | 5.9.1-r4 |
| strongswan | Alpine:v3.13 | 5.9.1-r2 |
| strongswan | Alpine:v3.17 | 5.9.1-r4 |
| strongswan | Alpine:v3.24 | 5.9.1-r4 |
| strongswan | Alpine:v3.18 | 5.9.1-r4 |
| strongswan | Alpine:v3.23 | 5.9.1-r4 |
| strongswan | Alpine:v3.14 | 5.9.1-r3 |
| strongswan | Alpine:v3.16 | 5.9.1-r4 |
| strongswan | Alpine:v3.20 | 5.9.1-r4 |
| strongswan | Alpine:v3.15 | 5.9.1-r4 |
| strongswan | Alpine:v3.21 | 5.9.1-r4 |
| strongswan | Alpine:v3.22 | 5.9.1-r4 |
Risk scores
CVSS 3.1
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 | 5.6.3-r1, 4.5.2-r0, 4.6.1-r0 |
| Alpine:v3.13 | strongswan | 5.7.1-r0, 0, 4.6.1-r0 |
| Alpine:v3.17 | strongswan | 4.6.1-r0, 4.1.2, 5.2.0-r2 |
| Alpine:v3.24 | strongswan | 4.1.2 |
| Alpine:v3.18 | strongswan | 5.7.1-r1, 4.1.2, 5.3.1-r2 |
| Alpine:v3.23 | strongswan | 5.9.1-r2, 0, 4.5.2-r0 |
| Alpine:v3.14 | strongswan | 5.6.0-r0, 4.1.2, 5.5.2-r1 |
| Alpine:v3.16 | strongswan | 4.5.2-r0, 4.1.2, 5.2.0-r0 |
| Alpine:v3.20 | strongswan | 4.1.2, 0, 4.5.2-r0 |
| Alpine:v3.15 | strongswan | 4.1.2, 0, 4.6.1-r0 |
| Alpine:v3.21 | strongswan | 4.5.2-r0, 5.9.1-r2, 5.7.1-r0 |
| Alpine:v3.22 | strongswan | 0, 5.2.0-r0, 5.8.1-r0 |
Timeline
- Jan 31, 2022 CVE Published
- Jul 8, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln ALPINE-CVE-2021-45079
vulnetix vdb fixes ALPINE-CVE-2021-45079Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/ALPINE-CVE-2021-45079/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart