CVE-2021-41269 CRITICAL

CVE-2021-41269: Unauthenticated remote code injection in cron-utils

Vendor Jmrozanec
Product cron-utils
Weakness CWE-94 · Code injection
Published November 15, 2021
Last update August 4, 2024

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

cron-utils is a Java library to define, parse, validate, migrate crons as well as get human readable descriptions for them. In affected versions 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. The issue was patched and a new version was released. Please upgrade to version 9.1.6. There are no known workarounds known.

Key dates

02Disclosure timeline

November 15, 2021 CVE published
August 4, 2024 Record updated