Arbitrary File Upload Affecting io.undertow:undertow-core package, versions [,2.0.30)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.92% (84th percentile)

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  • Snyk IDSNYK-JAVA-IOUNDERTOW-567770
  • published28 Apr 2020
  • disclosed28 Apr 2020
  • creditUnknown

Introduced: 28 Apr 2020

CVE-2020-1745  (opens in a new tab)
CWE-285  (opens in a new tab)

How to fix?

Upgrade io.undertow:undertow-core to version 2.0.30 or higher.

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Arbitrary File Upload. A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configuration port of 8009. 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.

CVSS Base Scores

version 3.1