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CVE-2020-1745: Information Exposure

April 28, 2020 (updated September 14, 2021)

A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configuration port of in Undertow. A remote, unauthenticated attacker could exploit this vulnerability to read web application files from a vulnerable server. In instances where the vulnerable server allows file uploads, an attacker could upload malicious JavaServer Pages (JSP) code within a variety of file types and trigger this vulnerability to gain remote code execution.

References

  • bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1745
  • nvd.nist.gov/vuln/detail/CVE-2020-1745

Code Behaviors & Features

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Affected versions

All versions up to 2.0.29

Fixed versions

  • 2.0.30.Final

Solution

Upgrade to version 2.0.30.Final or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Source file

maven/io.undertow/undertow-core/CVE-2020-1745.yml

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