CVE-2021-41269 — Vulnetix

CVE-2021-41269 PUBLISHED CVSS 10 CRITICAL

Reported by GitHub_M · Published November 15, 2021

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.

Risk Scores

CVSS v3.1

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

Affected Products

Vendor	Product	Versions
jmrozanec	cron-utils	< 9.1.6
jmrozanec	cron-utils	< 9.1.6, < 9.1.6
Maven	com.cronutils:cron-utils	0, 0

Timeline

Nov 15, 2021 CVE Published
Nov 16, 2021 EPSS Score
Nov 19, 2021 CVE Updated
Jan 10, 2022 EPSS Score
Mar 6, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Jun 23, 2022 EPSS Score
Oct 12, 2022 EPSS Score
Jan 29, 2023 EPSS Score
Mar 25, 2023 EPSS Score
May 19, 2023 EPSS Score
Sep 5, 2023 EPSS Score

References

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https://nvd.nist.gov/vuln/detail/CVE-2021-41269 advisory

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