CVEvulnerability
CVE-2021-41269
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-11-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-94
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.
Affected configurations
• cron-utils project cron-utils (< 9.1.6)
Related
Weakness · CWE (1)
- CWE-94 Improper Control of Generation of Code weakness
References
- https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdb9899da Patch, Third Party Advisory
- https://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93b39df9da Patch, Third Party Advisory
- https://github.com/jmrozanec/cron-utils/issues/461 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-p9m8-27x8-rg87 Third Party Advisory
- https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdb9899da Patch, Third Party Advisory
- https://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93b39df9da Patch, Third Party Advisory
- https://github.com/jmrozanec/cron-utils/issues/461 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-p9m8-27x8-rg87 Third Party Advisory