CVE-2013-4839

Unspecified vulnerability in Virtual User Generator in HP LoadRunner before 11.52 allows remote attackers to obtain sensitive information, modify data, or cause a denial of service via unknown vectors, aka ZDI-CAN-1851.

Published: 2013-11-04 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4839 is rated Moderate Risk (64.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.00%). EPSS rose +2.89% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-4839

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 1.11% 4.00% +2.89%
2 2026-03-11 1.25% 1.11% -0.14%
3 2025-12-07 — 1.25% —

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4839

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2013-4839

Affected software / configurations for CVE-2013-4839

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:*:*:*:*:*:*:*

References for CVE-2013-4839

cvelogic Threat Intelligence