Use-after-free vulnerability in UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (crash) via unspecified vectors. NOTE: this identifier was SPLIT per ADT2 due to different vulnerability types. CVE-2013-7384 was assigned for the NULL pointer dereference.
Conclusion & alert: CVE-2013-6413 is rated Moderate Risk (50.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.37%). Core evidence: EPSS rose +1.64% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-06-15 | 0.73% | 2.37% | +1.64% |
| 2 | 2025-03-30 | 0.81% | 0.73% | -0.08% |
| 3 | 2025-03-29 | — | 0.81% | — |
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 | Product | Version | Raw CPE |
|---|---|---|---|
| unrealircd | unrealircd | 3.2.10 | cpe:2.3:a:unrealircd:unrealircd:3.2.10:*:*:*:*:*:*:* |
| unrealircd | unrealircd | 3.2.10.1 | cpe:2.3:a:unrealircd:unrealircd:3.2.10.1:*:*:*:*:*:*:* |