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Vulnerability record · CVE-2009-4531 · published 31 December 2009

CVE-2009-4531: Jasper httpdx information exposure vulnerability

Jasper · Httpdx

httpdx 1.4.4 and earlier allows remote attackers to obtain the source code for a web page by appending a . (dot) character to the URI.

5.0 CVSS 2.0 Medium EPSS 7.1% · top 6.0% CWE-200 · Information exposure
5.0CVSS 2.0 base score
7.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

httpdx 1.4.4 and earlier allows remote attackers to obtain the source code for a web page by appending a . (dot) character to the URI.

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

Affected products

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

References

LinkTags
http://freetexthost.com/eiyfyt0km5 ExploitURL Repurposed
http://packetstormsecurity.org/0910-exploits/httpdx-disclose.txt Exploit
http://pocoftheday.blogspot.com/2009/10/httpdx-144-remote-arbitrary-source.html Exploit
http://secunia.com/advisories/37013 Vendor Advisory
http://www.osvdb.org/58857
https://exchange.xforce.ibmcloud.com/vulnerabilities/53733
http://freetexthost.com/eiyfyt0km5 ExploitURL Repurposed
http://packetstormsecurity.org/0910-exploits/httpdx-disclose.txt Exploit
http://pocoftheday.blogspot.com/2009/10/httpdx-144-remote-arbitrary-source.html Exploit
http://secunia.com/advisories/37013 Vendor Advisory
http://www.osvdb.org/58857
https://exchange.xforce.ibmcloud.com/vulnerabilities/53733

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Related vulnerabilities

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

10.0CVE-2009-3711httpdx HTTP GET stack buffer overflow in h_handlepeerhttpdx 1.4 (and possibly 1.4.3) contains a stack-based buffer overflow in the h_handlepeer function in http.cpp, triggered by a long HTTP GET request…EPSS 64%analysed10.0CVE-2009-3663Jasper httpdx vulnerabilityFormat string vulnerability in the h_readrequest function in http.c in httpdx Web Server 1.4 allows remote attackers to cause a denial of service (cr…EPSS 15%9.3CVE-2009-4769Jasper httpdx vulnerabilityMultiple format string vulnerabilities in the tolog function in httpdx 1.4, 1.4.5, 1.4.6, 1.4.6b, and 1.5 allow (1) remote attackers to execute arbit…EPSS 38%7.5CVE-2009-4770Jasper httpdx vulnerabilityThe FTP server component in httpdx 1.4, 1.4.5, 1.4.6, 1.4.6b, and 1.5 has a default password of pass123 for the moderator account, which makes it eas…EPSS 1.3%5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 30%analysed7.5CVE-2026-20133Cisco Catalyst SD-WAN Manager insufficient file system restrictions expose dataCisco Catalyst SD-WAN Software has insufficient file system restrictions that let an attacker read sensitive files on the underlying operating system…KEVEPSS 32%analysed7.5CVE-2025-31125Vite dev server improper access control exposes arbitrary filesVite's dev server fails to restrict file access when a request uses the ?inline&import or ?raw?import query patterns, allowing content of files that …KEVEPSS 65%analysed5.5CVE-2026-20805Windows Desktop Window Manager information disclosureDesktop Windows Manager (DWM) in Microsoft Windows exposes sensitive information to an unauthorized actor, allowing a local attacker with existing ac…KEVEPSS 7.2%analysed

Source: NIST National Vulnerability Database (record CVE-2009-4531), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.