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Vulnerability record · CVE-2001-0815 · published 6 December 2001

CVE-2001-0815: Activestate activeperl vulnerability

Activestate · Activeperl

Buffer overflow in PerlIS.dll in Activestate ActivePerl 5.6.1.629 and earlier allows remote attackers to execute arbitrary code via an HTTP request for a long filename that ends in a .pl extension.

7.5 CVSS 2.0 High EPSS 14% · top 3.5%
7.5CVSS 2.0 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Buffer overflow in PerlIS.dll in Activestate ActivePerl 5.6.1.629 and earlier allows remote attackers to execute arbitrary code via an HTTP request for a long filename that ends in a .pl extension.

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

Affected products

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

References

LinkTags
http://bugs.activestate.com/show_bug.cgi?id=18062 ExploitVendor Advisory
http://marc.info/?l=bugtraq&m=100583978302585&w=2
http://www.osvdb.org/678
http://www.securityfocus.com/bid/3526 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/7539
http://bugs.activestate.com/show_bug.cgi?id=18062 ExploitVendor Advisory
http://marc.info/?l=bugtraq&m=100583978302585&w=2
http://www.osvdb.org/678
http://www.securityfocus.com/bid/3526 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/7539

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Related vulnerabilities

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

10.0CVE-2004-0377Activestate activeperl vulnerabilityBuffer overflow in the win32_stat function for (1) ActiveState's ActivePerl and (2) Larry Wall's Perl before 5.8.3 allows local or remote attackers t…EPSS 6.8%7.5CVE-2004-2286Activestate activeperl vulnerabilityInteger overflow in the duplication operator in ActivePerl allows remote attackers to cause a denial of service (crash) and possibly execute arbitrar…EPSS 8.0%6.0CVE-2012-5377Activestate activeperl vulnerabilityUntrusted search path vulnerability in the installation functionality in ActivePerl 5.16.1.1601, when installed in the top-level C:\ directory, allow…EPSS 1.3%4.6CVE-2006-2856Activestate activeperl vulnerabilityActiveState ActivePerl 5.8.8.817 for Windows configures the site/lib directory with "Users" group permissions for changing files, which allows local …EPSS 0.38%2.1CVE-2004-2022Activestate activeperl vulnerabilityActivePerl 5.8.x and others, and Larry Wall's Perl 5.6.1 and others, when running on Windows systems, allows attackers to cause a denial of service (…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2001-0815), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.