The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3.0, FortiClient 2.0,; and FortiManager 2.80 and 3.0 allow remote attackers to cause a denial of service (termination of a process that is automatically restarted) via IKE packets with invalid values of certain IPSec attributes, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the vendor advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:fortinet:fortios:2.50:*:*:*:*:*:*:* | 2.50 | Running on | Fortinet |
| cpe:2.3:o:fortinet:fortios:2.80:*:*:*:*:*:*:* | 2.80 | Running on | Fortinet |
| cpe:2.3:o:fortinet:fortios:3.0:*:*:*:*:*:*:* | 3.0 | Running on | Fortinet |
| cpe:2.3:h:fortinet:forticlient:2.0:*:*:*:*:*:*:* | 2.0 | Running on | Fortinet |
| cpe:2.3:h:fortinet:fortimanager:2.80:*:*:*:*:*:*:* | 2.80 | Running on | Fortinet |
| cpe:2.3:h:fortinet:fortimanager:3.0:*:*:*:*:*:*:* | 3.0 | Running on | Fortinet |
- cpe:2.3:o:fortinet:fortios:2.50:*:*:*:*:*:*:* Versions 2.50 Running on ·Fortinet
- cpe:2.3:o:fortinet:fortios:2.80:*:*:*:*:*:*:* Versions 2.80 Running on ·Fortinet
- cpe:2.3:o:fortinet:fortios:3.0:*:*:*:*:*:*:* Versions 3.0 Running on ·Fortinet
- cpe:2.3:h:fortinet:forticlient:2.0:*:*:*:*:*:*:* Versions 2.0 Running on ·Fortinet
- cpe:2.3:h:fortinet:fortimanager:2.80:*:*:*:*:*:*:* Versions 2.80 Running on ·Fortinet
- cpe:2.3:h:fortinet:fortimanager:3.0:*:*:*:*:*:*:* Versions 3.0 Running on ·Fortinet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-4570
- 2026-10-03 Alias added: GHSA-j7p2-mjw4-64cc
References
Sources
- CVE-2005-4570 · CVE Program
- CVE-2005-4570 · NVD
- FIRST EPSS
- GHSA-j7p2-mjw4-64cc · GitHub Advisory Database · CC BY 4.0
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