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Critical vulnerability found in cron-utils

Critical
jmrozanec published GHSA-pfj3-56hm-jwq5 Nov 24, 2020

Package

maven com.cronutils.cron-utils (Maven)

Affected versions

<9.1.3

Patched versions

9.1.3

Description

Impact

A Template Injection was identified in cron-utils enabling attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE) vulnerability. Versions up to 9.1.2 are susceptible to this vulnerability. Please note, that only projects using the @Cron annotation to validate untrusted Cron expressions are affected.

Patches

The issue was patched and a new version released. Please upgrade to version 9.1.3.

Workarounds

There are no known workarounds up to this moment.

References

A description of the issue is provided in issue 461

For more information

If you have any questions or comments about this advisory:

Severity

Critical

CVE ID

CVE-2020-26238

Weaknesses

No CWEs

Credits