Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cron-Utils Project | Cron-Utils | < 9.1.6 |
Related Weaknesses (CWE)
References
- https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdPatchThird Party Advisory
- https://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93bPatchThird Party Advisory
- https://github.com/jmrozanec/cron-utils/issues/461ExploitIssue TrackingThird Party Advisory
- https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-p9m8-27x8-rg87Third Party Advisory
- https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdPatchThird Party Advisory
- https://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93bPatchThird Party Advisory
- https://github.com/jmrozanec/cron-utils/issues/461ExploitIssue TrackingThird Party Advisory
- https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-p9m8-27x8-rg87Third Party Advisory
FAQ
What is CVE-2021-41269?
CVE-2021-41269 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 enabl...
How severe is CVE-2021-41269?
CVE-2021-41269 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-41269?
Check the references section above for vendor advisories and patch information. Affected products include: Cron-Utils Project Cron-Utils.