CVE-2020-26238: Injection Vulnerability

November 25, 2020 (updated March 24, 2021)

Cron-utils is a Java library to parse, validate, migrate crons as well as get human readable descriptions for them. In cron-utils, a template Injection vulnerability is present. This enables attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE) vulnerability. Only projects using the @Cron annotation to validate untrusted Cron expressions are affected. This issue was patched

References

github.com/jmrozanec/cron-utils/issues/461
nvd.nist.gov/vuln/detail/CVE-2020-26238

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