Security readout for executives and security teams
This CVE describes a file disclosure flaw in Captcha PHP 0.9. A remote attacker could abuse a captcha.php parameter to read files the web server can access. That could expose configuration, credentials, or application source if this old component is still deployed. Exposure is likely limited to legacy sites still running Captcha PHP 0.9 with captcha.php reachable over HTTP. Organizations should not assume exposure from modern CAPTCHA services without confirming this specific component or copied code exists. Treat as a legacy exposure check rather than a broad emergency. Prioritize if Captcha PHP 0.9 is internet-facing or runs near secrets, because arbitrary file read can lead to credential exposure. Mitigation focus: Inventory web roots for Captcha PHP 0.9 and captcha.php.; Remove or disable the affected component if no longer required.; Check the project or vendor source for fixed release guidance..
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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File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2005-4163 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
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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
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.