CVE-2021-41269
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
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| jmrozanec | cron-utils | < 9.1.6 |
| jmrozanec | cron-utils | < 9.1.6, * |
| Maven | com.cronutils:cron-utils | 0, 0 |
Exploit Intelligence
- shoucheng3/jmrozanec__cron-utils_CVE-2021-41269_9-1-5 (github-poc)
- shoucheng3/jmrozanec__cron-utils_CVE-2021-41269_9-1-5 (github-poc)
- shoucheng3/jmrozanec__cron-utils_CVE-2021-41269_9-1-5 (github-poc)
- shoucheng3/jmrozanec__cron-utils_CVE-2021-41269_9-1-5 (github-poc)
- https://github.com/jmrozanec/cron-utils/issues/461 (nist-nvd)
Timeline
- Nov 15, 2021 CVE Published
- Nov 16, 2021 EPSS Score
- Nov 19, 2021 CVE Updated
- Jan 10, 2022 EPSS Score
- Mar 7, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jun 25, 2022 EPSS Score
- Oct 15, 2022 EPSS Score
- Feb 3, 2023 EPSS Score
- Mar 30, 2023 EPSS Score
- Jul 19, 2023 EPSS Score
- Sep 12, 2023 EPSS Score
References
- x_refsource_MISC
- x_refsource_CONFIRM
- x_refsource_MISC
- x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-41269 advisory