CVE-2011-2591

CVE-2011-2591 is a critical-severity vulnerability in Provideo Alarm Activex Control with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2011-2591?
CVE-2011-2591 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-2591 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2591?
CVE-2011-2591 primarily affects Provideo Alarm Activex Control. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2591?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-2591 published?
CVE-2011-2591 was published on 2011-08-05 and last updated on 2026-06-16.

References

Affected products (3)

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →