CVE Vulnerability

CVE-2021-41269

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.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/jmrozanec/cron-utils/issues/461 Exploit Issue Tracking
https://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93b39df9da Patch 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
Configurations

Configuration 1

cpe:2.3:a:cron-utils_project:cron-utils:*:*:*:*:*:*:*:*
Information

Published : 2021-11-15 09:15

Updated : 2021-11-19 04:17

NVD link : CVE-2021-41269

Mitre link : CVE-2021-41269

Products Affected
No products.
CWE
CWE-94