Unspecified vulnerability in Virtual User Generator in HP LoadRunner before 11.52 allows remote attackers to execute arbitrary code via unknown vectors, aka ZDI-CAN-1850.
Conclusion & alert: CVE-2013-4838 is rated High Risk (68.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 10.72%, 95th 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 | 27.67% | 10.72% | -16.95% |
| 2 | 2026-03-11 | 32.92% | 27.67% | -5.25% |
| 3 | 2025-12-07 | — | 32.92% | — |
Full EPSS history (26 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hp | loadrunner | <= 11.51 | cpe:2.3:a:hp:loadrunner:*:*:*:*:*:*:*:* |
| hp | loadrunner | 9.0.0 | cpe:2.3:a:hp:loadrunner:9.0.0:*:*:*:*:*:*:* |
| hp | loadrunner | 9.50.0 | cpe:2.3:a:hp:loadrunner:9.50.0:*:*:*:*:*:*:* |
| hp | loadrunner | 9.51 | cpe:2.3:a:hp:loadrunner:9.51:*:*:*:*:*:*:* |
| hp | loadrunner | 9.52 | cpe:2.3:a:hp:loadrunner:9.52:*:*:*:*:*:*:* |
| hp | loadrunner | 11.0.0.0 | cpe:2.3:a:hp:loadrunner:11.0.0.0:*:*:*:*:*:*:* |
| hp | loadrunner | 11.50 | cpe:2.3:a:hp:loadrunner:11.50:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03969437 | Vendor Advisory |