strongSwan strongSwan
At a glance
- Source
- NVD
- EPSS
- EPSS 0.42 % · percentile 37 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Analyzed
Description
libcharon in strongSwan 5.9.7 through 6.0.7 mishandles behavioral workflow in the IKEv2 state machine. Because CREATE_CHILD_SA requests are mishandled, there can be an authentication bypass.
Weaknesses (CWE)
- CWE-841 — Improper Enforcement of Behavioral Workflow
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L | mitre |
| CVSS 3.1 | MEDIUM 5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L | NVD · cve@mitre.org (Secondary) |
| CVSS 3.1 | HIGH 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-75921
- GCVE · GCVE-0-2026-78135
CERT-FR advisories
- CERTFR-2026-AVI-1345 — Multiples vulnérabilités dans les produits StormShield · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1129 — Multiples vulnérabilités dans strongSwan · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*≥ 5.9.7 ≤ 6.0.7
Affected products
| Product | Versions |
|---|---|
| strongSwan · strongSwan | affected 5.9.7 < 6.1.0 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |