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Improper Validation Affecting openjdk-jre package, versions [,1.7.0_311) [1.8.0, 1.8.0_301) [11.0.0, 11.0.12) [16.0.0, 16.0.2)

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.14% (50th percentile)
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NVD
3.1 low
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Red Hat
3.1 low
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SUSE
3.1 low

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  • Snyk ID SNYK-UPSTREAM-OPENJDKJRE-1320694
  • published 21 Jul 2021
  • disclosed 20 Jul 2021
  • credit Varnavas Papaioannou
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Introduced: 20 Jul 2021

CVE-2021-2341 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade openjdk-jre to version 7.0.311, 8.0.301, 11.0.12, 16.0.2 or higher.

Overview

openjdk-jre is a free and open-source implementation of the Java Platform, Standard Edition (Java SE).

Affected versions of this package are vulnerable to Improper Validation. A flaw was found in the way the FtpClient implementation in the Networking component of OpenJDK handled responses to the FTP PASV command. A malicious FTP server could cause a Java application using FtpClient to connect to a host and port that is not accessible from the FTP server and perform port scanning or banner extraction.