{"api_version":"1","generated_at":"2026-07-23T22:43:25+00:00","cve":"CVE-2020-4988","urls":{"html":"https://cve.report/CVE-2020-4988","api":"https://cve.report/api/cve/CVE-2020-4988.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-4988","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-4988"},"summary":{"title":"CVE-2020-4988","description":"Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706.","state":"PUBLIC","assigner":"psirt@us.ibm.com","published_at":"2020-12-21 18:15:00","updated_at":"2020-12-22 16:23:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/192706","name":"ibm-loopback-cve20204988-code-exec (192706)","refsource":"XF","tags":["VDB Entry","Vendor Advisory"],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-4988","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4988","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"4988","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"loopback","cpe6":"8.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"4988","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"loopback","cpe6":"8.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"impact":{"cvssv3":{"TM":{"RL":"O","E":"U","RC":"C"},"BM":{"AV":"N","A":"L","SCORE":"7.300","AC":"L","I":"L","C":"L","S":"U","UI":"N","PR":"N"}}},"data_type":"CVE","problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Gain Access"}]}]},"description":{"description_data":[{"lang":"eng","value":"Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706."}]},"data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2020-4988","ASSIGNER":"psirt@us.ibm.com","DATE_PUBLIC":"2020-12-18T00:00:00","STATE":"PUBLIC"},"references":{"reference_data":[{"refsource":"XF","title":"X-Force Vulnerability Report","name":"ibm-loopback-cve20204988-code-exec (192706)","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/192706"}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Loopback","product":{"product_data":[{"version":{"version_data":[{"version_value":"8.0.0"}]},"product_name":"Loopback"}]}}]}},"data_version":"4.0"},"nvd":{"publishedDate":"2020-12-21 18:15:00","lastModifiedDate":"2020-12-22 16:23:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:ibm:loopback:8.0.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"4988","Ordinal":"165016","Title":"CVE-2020-4988","CVE":"CVE-2020-4988","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"4988","Ordinal":"1","NoteData":"Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"4988","Ordinal":"2","NoteData":"2020-12-21","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"4988","Ordinal":"3","NoteData":"2020-12-21","Type":"Other","Title":"Modified"}]}}}