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


Severity

Recommended
0.0
critical
0
10

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

Threat Intelligence

EPSS
5.67% (94th percentile)

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  • Snyk IDSNYK-JAVA-COMCRONUTILS-1921097
  • published16 Nov 2021
  • disclosed15 Nov 2021
  • creditUnknown

Introduced: 15 Nov 2021

CVE-2021-41269  (opens in a new tab)
CWE-94  (opens 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).

CVSS Scores

version 3.1