BitZipper 2013 before Update 1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted ZIP archive.
Conclusion & alert: CVE-2013-0138 is rated High Risk (69.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.75%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 3.95% | 4.75% | +0.81% |
| 2 | 2026-01-13 | 5.00% | 3.95% | -1.06% |
| 3 | 2025-03-30 | — | 5.00% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| bitberry_software | bitzipper | <= 2013 | cpe:2.3:a:bitberry_software:bitzipper:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.kb.cert.org/vuls/id/880916 | US Government Resource |
| http://www.kb.cert.org/vuls/id/BLUU-95GP23 | US Government Resource |