CVE-2011-2591

Multiple buffer overflows in the Provideo ActiveX controls allow remote attackers to execute arbitrary code via crafted input fields, as demonstrated by (1) a long strIp argument to the voice method in 2way.dll in the alarm 1.0.3.1 ActiveX control, (2) a network response to AXPlayer.ocx in the GMAXPlayer 2.0.8.2 ActiveX control, the (3) UserName or (4) Password parameter to AXPlayer.ocx in the GMAXPlayer 2.0.8.2 ActiveX control, (5) a long Id parameter to the GetString method in PAxPlayer.ocx in the PAxPlayer 3.0.0.9 ActiveX control, or (6) a long strAdr parameter to the ConnectIPCam method in PAxPlayer.ocx in the PAxPlayer 3.0.0.9 ActiveX control.

Published: 2011-08-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-2591 is rated Moderate Risk (64.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.39%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. 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.

Exploit prediction scoring system (EPSS) score for CVE-2011-2591

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 22.68% 5.39% -17.29%
2 2026-02-04 18.62% 22.68% +4.06%
3 2025-03-30 — 18.62% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2591

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2011-2591

Affected software / configurations for CVE-2011-2591

Vendor Product Version Raw CPE
provideo alarm_activex_control 3.0.0.9 cpe:2.3:a:provideo:alarm_activex_control:3.0.0.9:*:*:*:*:*:*:*
provideo gmax_activex_control 2.0.8.2 cpe:2.3:a:provideo:gmax_activex_control:2.0.8.2:*:*:*:*:*:*:*
provideo paxplayer_activex_control 3.0.0.9 cpe:2.3:a:provideo:paxplayer_activex_control:3.0.0.9:*:*:*:*:*:*:*

References for CVE-2011-2591

cvelogic Threat Intelligence