The ikev2parent_inI1outR1 function in pluto/ikev2_parent.c in libreswan before 3.7 allows remote attackers to cause a denial of service (restart) via an IKEv2 I1 notification without a KE payload.
Conclusion & alert: CVE-2013-7294 is rated Exploit Available (59.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.90%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 1.73% | 0.90% | -0.83% |
| 2 | 2025-03-29 | 0.90% | 1.73% | +0.83% |
| 3 | 2025-03-17 | — | 0.90% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2013-7294 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| libreswan | libreswan | <= 3.6 | cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:* |
| libreswan | libreswan | 3.0 | cpe:2.3:a:libreswan:libreswan:3.0:*:*:*:*:*:*:* |
| libreswan | libreswan | 3.1 | cpe:2.3:a:libreswan:libreswan:3.1:*:*:*:*:*:*:* |
| libreswan | libreswan | 3.2 | cpe:2.3:a:libreswan:libreswan:3.2:*:*:*:*:*:*:* |
| libreswan | libreswan | 3.3 | cpe:2.3:a:libreswan:libreswan:3.3:*:*:*:*:*:*:* |
| libreswan | libreswan | 3.4 | cpe:2.3:a:libreswan:libreswan:3.4:*:*:*:*:*:*:* |
| libreswan | libreswan | 3.5 | cpe:2.3:a:libreswan:libreswan:3.5:*:*:*:*:*:*:* |