CVE-2021-41269

Katalog CVE

CVSS 9.8 · Critical EPSS 4,3%

Kerentanan Improper Control of Generation of Code ('Code Injection') pada cron-utils project cron-utils. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

15 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-94: Improper Control of Generation of Code ('Code Injection')

EPSS (30 hari)

4,3% peluang dieksploitasi; lebih tinggi dari 91,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdb9899da patch · advisory pihak ketiga
• https://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93b39df9da patch · advisory pihak ketiga
• https://github.com/jmrozanec/cron-utils/issues/461 exploit · issue tracking · advisory pihak ketiga
• https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-p9m8-27x8-rg87 advisory pihak ketiga