<p>Upgrade <code>com.cronutils:cron-utils</code> to version 9.1.6 or higher.</p>

Arbitrary Code Execution Affecting com.cronutils:cron-utils package, versions [,9.1.6)

Threat Intelligence

3.03% (92^nd percentile)

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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).

References

CVSS Scores

version 3.1

Attack Vector (AV)

Network
Attack Complexity (AC)

Low
Privileges Required (PR)

None
User Interaction (UI)

None

Scope (S)

Changed

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High