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Vulnerability record · CVE-2008-6938 · published 11 August 2009

CVE-2008-6938: Holger zimmermann pi3web improper input validation vulnerability

HHolger Zimmermann · Pi3web

Pi3Web 2.0.3 before PL2, when installed on Windows as a desktop application and without using the Pi3Web/Conf/Intenet.pi3, allows remote attackers to cause a denial of service (crash or hang) and obtain the full pathname of the server via a request to a file in the ISAPI directory that is not an executable DLL, which triggers the crash when the DLL load fails, as demonstrated using Isapi\users.txt.

4.3 CVSS 2.0 Medium EPSS 26% · top 2.1% CWE-20 · Improper input validation
4.3CVSS 2.0 base score
26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

Pi3Web 2.0.3 before PL2, when installed on Windows as a desktop application and without using the Pi3Web/Conf/Intenet.pi3, allows remote attackers to cause a denial of service (crash or hang) and obtain the full pathname of the server via a request to a file in the ISAPI directory that is not an executable DLL, which triggers the crash when the DLL load fails, as demonstrated using Isapi\users.txt.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2008-11/0171.html
http://secunia.com/advisories/32696 Vendor Advisory
http://www.osvdb.org/49998 Exploit
http://www.osvdb.org/49999
http://www.securityfocus.com/archive/1/498575
http://www.securityfocus.com/archive/1/498602
http://www.securityfocus.com/archive/1/498770
http://www.securityfocus.com/archive/1/498771
http://www.securityfocus.com/archive/1/498865 Exploit
http://www.securityfocus.com/bid/32287 ExploitPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/46600
https://www.exploit-db.com/exploits/7109
http://archives.neohapsis.com/archives/bugtraq/2008-11/0171.html
http://secunia.com/advisories/32696 Vendor Advisory
http://www.osvdb.org/49998 Exploit
http://www.osvdb.org/49999
http://www.securityfocus.com/archive/1/498575
http://www.securityfocus.com/archive/1/498602
http://www.securityfocus.com/archive/1/498770
http://www.securityfocus.com/archive/1/498771
http://www.securityfocus.com/archive/1/498865 Exploit
http://www.securityfocus.com/bid/32287 ExploitPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/46600
https://www.exploit-db.com/exploits/7109

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-6938), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.