CVE-2020-8481
Estado: ModificadaCrítica (9.8)—
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.
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An attacker who successfully exploited this vulnerability could take full control of the computer.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.85%
- Percentil entre todas las CVEs puntuadas: 78
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-200
- CWE-922
Referencias
- https://search.abb.com/library/Download.aspx?DocumentID=2PAA121230&LanguageCode=en&DocumentPartId=&Action=Launch
- https://search.abb.com/library/Download.aspx?DocumentID=2PAA121231&LanguageCode=en&DocumentPartId=&Action=Launch
- https://search.abb.com/library/Download.aspx?DocumentID=2PAA121230&LanguageCode=en&DocumentPartId=&Action=Launch
- https://search.abb.com/library/Download.aspx?DocumentID=2PAA121231&LanguageCode=en&DocumentPartId=&Action=Launch
JSON original (NVD)
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{
"id": "CVE-2020-8481",
"cveTags": [],
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"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
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"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
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{
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{
"vendor": "ABB",
"product": "Knowledge Manager",
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{
"vendor": "ABB",
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},
{
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"published": "2020-04-29T02:15:11.907",
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"descriptions": [
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"value": "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."
},
{
"lang": "es",
"value": "Para los productos ABB Ability™ System 800xA de ABB y extensiones de sistema relacionadas versiones 5.1, 6.0 y 6.1, Compact HMI versiones 5.1 y 6.0, Control Builder Safe versiones 1.0, 1.1 y 2.0, Symphony Plus -S+ Engineering versiones 1.1 hasta 2.2, Composer Harmony versiones 5.1, 6.0 y 6.1, Melody Composer versiones 5.3, 6.1/6.2 y SPE for Melody versión 1.0SPx (Composer versión 6.3), Harmony OPC Server (HAOPC) Standalone versiones 6.0, 6.1 y 7.0, ABB Ability™ System 800xA/ Advant® OCS Control Builder A versiones 1.3 y 1.4, Advant® OCS AC100 OPC Server versiones 5.1, 6.0 y 6.1, Composer CTK versiones 6.1 y 6.2, AdvaBuild versiones 3.7 SP1 y SP2, OPCServer para MOD 300 (non-800xA) versión 1.4, OPC Data Link versiones 2.1 y 2.2, Knowledge Manager versiones 8.0, 9.0 y 9.1, Manufacturing Operations Management versiones 1812 y 1909, los datos confidenciales se escriben en un archivo no protegido. Un atacante que explote con éxito esta vulnerabilidad podría tomar el control total de la computadora."
}
],
"lastModified": "2026-06-17T03:26:26.957",
"configurations": [
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