{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2020-26238",
        "STATE": "PUBLIC",
        "TITLE": "Critical vulnerability found in cron-utils"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "cron-utils",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 9.1.3"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "jmrozanec"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Cron-utils is a Java library to parse, validate, migrate crons as well as get human readable descriptions for them. In cron-utils before version 9.1.3, 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 in version 9.1.3."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.9,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-pfj3-56hm-jwq5",
                "refsource": "CONFIRM",
                "url": "https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-pfj3-56hm-jwq5"
            },
            {
                "name": "https://github.com/jmrozanec/cron-utils/issues/461",
                "refsource": "MISC",
                "url": "https://github.com/jmrozanec/cron-utils/issues/461"
            },
            {
                "name": "https://github.com/jmrozanec/cron-utils/commit/4cf373f7352f5d95f0bf6512af8af326b31c835e",
                "refsource": "MISC",
                "url": "https://github.com/jmrozanec/cron-utils/commit/4cf373f7352f5d95f0bf6512af8af326b31c835e"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-issues] 20210316 [jira] [Assigned] (HIVE-24890) Upgrade to cron-utils 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/r96937fc9c82f3201b59311c067e97bce71123944f93102169a95bf5c@%3Cissues.hive.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-dev] 20210316 [jira] [Created] (HIVE-24890) Upgrade to cron-utils 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/r5f601d15292e3302ad0ae0e89527029546945b1cd5837af7e838d354@%3Cdev.hive.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-issues] 20210316 [jira] [Work started] (HIVE-24890) Upgrade to cron-utils 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/ra9e81244d323898dde3c979dd7df6996e4037d14a01b6629ea443548@%3Cissues.hive.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-gitbox] 20210316 [GitHub] [hive] achennagiri opened a new pull request #2081: HIVE-24890: Upgrade the cron-utils library from 8.1.1 to 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/r855aead591697dc2e85faf66c99036e49f492431940b78d4e6d895b5@%3Cgitbox.hive.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-issues] 20210316 [jira] [Work logged] (HIVE-24890) Upgrade to cron-utils 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/r9ae9a9fb1c8e2bf95c676e7e4cd06aa04f0a3a8a9ec1a6b787afb00f@%3Cissues.hive.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-issues] 20210316 [jira] [Updated] (HIVE-24890) Upgrade to cron-utils 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/r71083c759dc627f198571b3d48b6745fe798b1d53c34f7ef8de9e7dd@%3Cissues.hive.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-issues] 20210317 [jira] [Commented] (HIVE-24890) Upgrade to cron-utils 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/r50e1b5544c37e408ed7e9a958b28237b1cb9660ba2b3dba46f343e23@%3Cissues.hive.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-issues] 20210317 [jira] [Resolved] (HIVE-24890) Upgrade to cron-utils 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/r432a69a1a85cbcb1f1bad2aa0fbfce0367bf894bf917f6ed7118e7f0@%3Cissues.hive.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-issues] 20210317 [jira] [Work logged] (HIVE-24890) Upgrade to cron-utils 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/r737406bc17d49ffe8fe6a8828d390ee0a02e45e5a5b4f931180b9a93@%3Cissues.hive.apache.org%3E"
            },
            {
                "refsource": "MLIST",
                "name": "[hive-gitbox] 20210317 [GitHub] [hive] yongzhi merged pull request #2081: HIVE-24890: Upgrade the cron-utils library from 8.1.1 to 9.1.3 due to CVE-2020-26238",
                "url": "https://lists.apache.org/thread.html/r390bb7630b7ea8f02bf7adbbe69c0ae8b562c527d663c543d965f959@%3Cgitbox.hive.apache.org%3E"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-pfj3-56hm-jwq5",
        "discovery": "UNKNOWN"
    }
}