Is CVE-2008-4300 being actively exploited?

CVE-2008-4300 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-4300?

CVE-2008-4300 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2008-4300

MEDIUM · CVSS 5.0EPSS 13.6%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score: 13.6% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-4283)
Published: September 29, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-4283 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / internet information services

References

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)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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