{"cve":"CVE-2021-41269","nvd":{"published":"2021-11-15T21:15:07.393","modified":"2026-06-17T04:08:12.490","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-94"],"references":["https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdb9899da","https://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93b39df9da","https://github.com/jmrozanec/cron-utils/issues/461","https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-p9m8-27x8-rg87","https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdb9899da"],"products":["cron-utils_project:cron-utils"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-41269","score":0.04349,"percentile":0.91226,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-p9m8-27x8-rg87","url":"https://osv.dev/vulnerability/GHSA-p9m8-27x8-rg87","summary":"Critical vulnerability found in cron-utils","modified":"2026-07-08T06:28:17.180515606Z","packages":[{"ecosystem":"Maven","name":"com.cronutils:cron-utils","purl":"pkg:maven/com.cronutils/cron-utils","ranges":["<9.1.6"],"fixed":["9.1.6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}