Security readout for executives and security teams
CVE-2001-0815 is a historic remote code execution issue in ActiveState ActivePerl. A vulnerable PerlIS.dll component can overflow when processing an HTTP request for an overly long .pl filename. Business impact is mainly for legacy internet-facing web servers still running ActivePerl 5.6.1.629 or earlier. Exposure is most likely on legacy web servers that still run ActiveState ActivePerl 5.6.1.629 or earlier and route HTTP .pl requests through PerlIS.dll. Modern environments are unlikely to be exposed unless they retain old PerlIS deployments. Prioritize investigation if the organization has legacy Windows web servers or old Perl CGI/ISAPI applications. If no ActivePerl 5.6.1.629-or-earlier deployment exists, urgency is low. If exposed to the internet, handle as high priority because the stated impact is remote code execution. Mitigation focus: Inventory systems for ActiveState ActivePerl 5.6.1.629 or earlier.; Check ActiveState or archived vendor guidance for confirmed fixes or supported upgrade paths.; Remove internet exposure from any suspected PerlIS.dll deployment until resolved..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2001-0815 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- activeperl-perlis-filename-bo(7539)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.