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Arbitrary Code Execution Affecting com.cronutils:cron-utils Open this link in a new tab package, versions [,9.1.6)

0.0
critical

  • Attack Complexity

    Low

  • Scope

    Changed

  • Confidentiality

    High

  • Integrity

    High

  • Availability

    High

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  • snyk-id

    SNYK-JAVA-COMCRONUTILS-1921097

  • published

    16 Nov 2021

  • disclosed

    15 Nov 2021

  • credit

    Unknown

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Introduced: 15 Nov 2021

CVE-2021-41269 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade com.cronutils:cron-utils to version 9.1.6 or higher.

Overview

com.cronutils:cron-utils is a Java library to parse, migrate and validate crons as well as describe them in human readable language.

Affected versions of this package are vulnerable to Arbitrary Code Execution via Template Injection that enables attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE).