CVE-2008-4300

Exp

A certain ActiveX control in adsiis.dll in Microsoft Internet Information Services (IIS) allows remote attackers to cause a denial of service (browser crash) via a long string in the second argument to the GetObject method. NOTE: this issue was disclosed by an unreliable researcher, so it might be incorrect.

Published: 2008-09-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-4300 is rated High Exploit Risk (67.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 13.55%, 96th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2008-4300

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-4300

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 14.22% 13.55% -0.66%
2 2025-10-16 10.39% 14.22% +3.83%
3 2025-10-01 10.39%

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4300

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2008-4300

Affected software / configurations for CVE-2008-4300

Vendor Product Version Raw CPE
microsoft internet_information_services cpe:2.3:a:microsoft:internet_information_services:-:*:*:*:*:*:*:*

References for CVE-2008-4300

URL Tags
http://securityreason.com/securityalert/4325 Exploit Third Party Advisory
http://www.securityfocus.com/archive/1/496696/100/0/threaded Exploit Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/45584 Third Party Advisory VDB Entry
cvelogic Threat Intelligence