What’s Vulnerable › Vulnerabilities

CVE-2008-20001: activePDF WebGrabber ActiveX Control Buffer Overflow

• Severity: high (CVSS 7.5 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-30 · updated 2026-06-16
• Weakness: CWE-121

Description

activePDF WebGrabber version 3.8.2.0 contains a stack-based buffer overflow vulnerability in the GetStatus() method of the APWebGrb.ocx ActiveX control. By passing an overly long string to this method, a remote attacker can execute arbitrary code in the context of the vulnerable process. Although the control is not marked safe for scripting, exploitation is possible via crafted HTML content in Internet Explorer under permissive security settings.

Affected products

• activePDF WebGrabber: through 3.8.2.0

References

• https://documentation.activepdf.com/WebGrabber_GS/b_installation/New_Installation.html
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/activepdf_webgrabber.rb
• https://support.activepdf.com/support/solutions/35000139131
• https://web.archive.org/web/20081219180353/http://www.activepdf.com/products/serverproducts/webgrabber/
• https://www.exploit-db.com/exploits/16635
• https://www.vulncheck.com/advisories/activepdf-webgrabber-activex-control-buffer-overflow

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