{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2020-8481", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2020-8481", "idYear": 2020, "status": "PUBLISHED", "publishedAt": "2020-04-29T01:30:56.000Z", "updatedAt": "2024-08-04T10:03:45.868Z", "importedAt": "2026-10-24T01:56:21.187Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "ABB Central Licensing System - Information disclosure", "summary": "For ABB products ABB Ability™ System 800xA and related system extensions versions 5.1, 6.0 and 6.1, Compact HMI versions 5.1 and 6.0, Control Builder Safe 1.0, 1.1 and 2.0, Symphony Plus -S+ Operations 3.0 to 3.2 Symphony Plus -S+ Engineering 1.1 to 2.2, Composer Harmony 5.1, 6.0 and 6.1, Melody Composer 5.3, 6.1/6.2 and SPE for Melody 1.0SPx (Composer 6.3), Harmony OPC Server (HAOPC) Standalone 6.0, 6.1 and 7.0, ABB Ability™ System 800xA/ Advant® OCS Control Builder A 1.3 and 1.4, Advant® OCS AC100 OPC Server 5.1, 6.0 and 6.1, Composer CTK 6.1 and 6.2, AdvaBuild 3.7 SP1 and SP2, OPCServer for MOD 300 (non-800xA) 1.4, OPC Data Link 2.1 and 2.2, Knowledge Manager 8.0, 9.0 and 9.1, Manufacturing Operations Management 1812 and 1909, confidential data is written in an unprotected file. An attacker who successfully exploited this vulnerability could take full control of the computer.", "affected": [ { "vendor": "ABB", "product": "Central Licensing System", "versions": [ { "version": "5.1", "status": "affected", "versionType": "custom", "lessThan": "5*" } ] }, { "vendor": "ABB", "product": "ABB Ability System 800xA", "versions": [ { "version": "5.1", "status": "affected" }, { "version": "6.0", "status": "affected" }, { "version": "6.1", "status": "affected" } ] }, { "vendor": "ABB", "product": "Compact HMI", "versions": [ { "version": "5.1", "status": "affected" }, { "version": "6.0", "status": "affected" } ] }, { "vendor": "ABB", "product": "Control Builder Safe", "versions": [ { "version": "1.0", "status": "affected" }, { "version": "1.1", "status": "affected" }, { "version": "2.0", "status": "affected" } ] }, { "vendor": "ABB", "product": "Symphony Plus S+ Operations", "versions": [ { "version": "3", "status": "affected", "versionType": "custom", "lessThanOrEqual": "3.2" } ] }, { "vendor": "ABB", "product": "Symphony Plus S+ Engineering", "versions": [ { "version": "1.1", "status": "affected", "versionType": "custom", "lessThanOrEqual": "2.2" } ] }, { "vendor": "ABB", "product": "Composer Harmony", "versions": [ { "version": "5.1", "status": "affected" }, { "version": "6.0", "status": "affected" }, { "version": "6.1", "status": "affected" } ] }, { "vendor": "ABB", "product": "Composer Melody", "versions": [ { "version": "5.3", "status": "affected" }, { "version": "6", "status": "affected", "versionType": "custom", "lessThanOrEqual": "6.3" } ] }, { "vendor": "ABB", "product": "Harmony OPC Server Standalone", "versions": [ { "version": "6.0", "status": "affected" }, { "version": "6.1", "status": "affected" }, { "version": "7.0", "status": "affected" } ] }, { "vendor": "ABB", "product": "Advant OCS Control Builder A", "versions": [ { "version": "1.3", "status": "affected" }, { "version": "1.4", "status": "affected" } ] }, { "vendor": "ABB", "product": "Composer CTK", "versions": [ { "version": "6.1", "status": "affected" }, { "version": "6.2", "status": "affected" } ] }, { "vendor": "ABB", "product": "AdvaBuild", "versions": [ { "version": "3.7 SP1", "status": "affected" }, { "version": "3.7 SP2", "status": "affected" } ] }, { "vendor": "ABB", "product": "OPC Server for Mod 300 (non-800xA)", "versions": [ { "version": "1.4", "status": "affected" } ] }, { "vendor": "ABB", "product": "OPC Data Link", "versions": [ { "version": "2.1", "status": "affected" }, { "version": "2.2", "status": "affected" } ] }, { "vendor": "ABB", "product": "Knowledge Manager", "versions": [ { "version": "8.0", "status": "affected" }, { "version": "9.0", "status": "affected" }, { "version": "9.1", "status": "affected" } ] }, { "vendor": "ABB", "product": "Manufacturing Operations Management", "versions": [ { "version": "1812", "status": "affected" }, { "version": "1909", "status": "affected" } ] }, { "vendor": "ABB", "product": "Advant OCS AC 100 OPS Server", "versions": [ { "version": "5.1", "status": "affected" }, { "version": "6.0", "status": "affected" }, { "version": "6.1", "status": "affected" } ] } ] } } }