{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ASSIGNER": "report@snyk.io",
        "DATE_PUBLIC": "2021-02-15T11:10:02.896752Z",
        "ID": "CVE-2020-28500",
        "STATE": "PUBLIC",
        "TITLE": "Regular Expression Denial of Service (ReDoS)"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Lodash",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "versions prior to 4.17.21"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Regular Expression Denial of Service (ReDoS)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JS-LODASH-1018905",
                "name": "https://snyk.io/vuln/SNYK-JS-LODASH-1018905"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1074892",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1074892"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1074893",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1074893"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1074894",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1074894"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBLODASH-1074895",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBLODASH-1074895"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGFUJIONWEBJARS-1074896",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGFUJIONWEBJARS-1074896"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/lodash/lodash/blob/npm/trimEnd.js%23L8",
                "name": "https://github.com/lodash/lodash/blob/npm/trimEnd.js%23L8"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/lodash/lodash/pull/5065",
                "name": "https://github.com/lodash/lodash/pull/5065"
            },
            {
                "url": "https://www.oracle.com//security-alerts/cpujul2021.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com//security-alerts/cpujul2021.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210312-0006/",
                "url": "https://security.netapp.com/advisory/ntap-20210312-0006/"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpuoct2021.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpuoct2021.html"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujan2022.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujan2022.html"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujul2022.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujul2022.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Lodash versions prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions."
            }
        ]
    },
    "impact": {
        "cvss": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "availabilityImpact": "LOW"
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Liyuan Chen"
        }
    ]
}