Multiple buffer overflows in BarCodeWiz BarCode before 6.7 ActiveX control (BarcodeWiz.DLL) allow remote attackers to execute arbitrary code via a long argument to the (1) BottomText or (2) TopText property.
Conclusion & alert: CVE-2018-5221 is rated High Exploit Risk (81.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.99%). Core evidence: 2 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 ↗ | |
| — | 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 | 2026-06-15 | 3.45% | 3.99% | +0.54% |
| 2 | 2026-04-20 | 5.12% | 3.45% | -1.68% |
| 3 | 2026-03-03 | — | 5.12% | — |
Full EPSS history (22 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| barcodewiz | barcode_activex_control | < 6.7 | cpe:2.3:a:barcodewiz:barcode_activex_control:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://hyp3rlinx.altervista.org/advisories/BARCODEWIZ-v6.7-ACTIVEX-COMPONENT-BUFFER-OVERFLOW.txt | Exploit Third Party Advisory |
| http://packetstormsecurity.com/files/145731/BarcodeWiz-ActiveX-Control-Buffer-Overflow.html | Exploit Third Party Advisory VDB Entry |