CVE-2020-8476

ABB Central Licensing System - Elevation of Privilege Vulnerability

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

For the Central Licensing Server component used in 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, ABB AbilityTM SCADAvantage versions 5.1 to 5.6.5, a weakness in validation of input exists that allows an attacker to alter licenses assigned to the system nodes by sending specially crafted messages to the CLS web service.

Para el componente Central Licensing Server utilizado en los productos ABB Ability™ System 800xA y las extensiones del sistema relacionadas, versiones 5.1, 6.0 y 6.1, Compact HMI versiones 5.1 y 6.0, Control Builder Safe 1.0, 1.1 y 2.0, Symphony Plus -S+ Operations 3.0 a 3. 2 Symphony Plus -S+ Engineering 1.1 a 2.2, Composer Harmony 5.1, 6.0 y 6.1, Melody Composer 5.3, 6.1/6.2 y SPE para Melody 1.0SPx (Composer 6.3), Harmony OPC Server (HAOPC) Standalone 6.0, 6.1 y 7.0, ABB Ability™ System 800xA/ Advant® OCS Control Builder A 1. 3 y 1.4, Advant® OCS AC100 OPC Server 5.1, 6.0 y 6.1, Composer CTK 6.1 y 6.2, AdvaBuild 3.7 SP1 y SP2, OPCServer for MOD 300 (non-800xA) 1.4, OPC Data Link 2.1 y 2.2, Knowledge Manager 8.0, 9.0 y 9. 1, Manufacturing Operations Management 1812 y 1909, ABB AbilityTM SCADAvantage versiones 5.1 a 5.6.5, existe una debilidad en la validación de la entrada que permite a un atacante alterar las licencias asignadas a los nodos del sistema enviando mensajes especialmente diseñados al servicio web CLS

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-30 CVE Reserved
2020-04-29 CVE Published
2024-03-03 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (3)

URL	Tag	Source
https://search.abb.com/library/Download.aspx?DocumentID=3CCA2020-003309&LanguageCode=en&DocumentPartId=&Action=Launch

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://search.abb.com/library/Download.aspx?DocumentID=2PAA121230&LanguageCode=en&DocumentPartId=&Action=Launch	2022-10-28
https://search.abb.com/library/Download.aspx?DocumentID=2PAA121231&LanguageCode=en&DocumentPartId=&Action=Launch	2022-10-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				5.1 Search vendor "Abb" for product "800xa System" and version "5.1"		-		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				5.1 Search vendor "Abb" for product "800xa System" and version "5.1"		feature_pack_4		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				5.1 Search vendor "Abb" for product "800xa System" and version "5.1"		feature_pack_4_revision_d		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				5.1 Search vendor "Abb" for product "800xa System" and version "5.1"		revision_a		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				5.1 Search vendor "Abb" for product "800xa System" and version "5.1"		revision_b		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				5.1 Search vendor "Abb" for product "800xa System" and version "5.1"		revision_c		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				5.1 Search vendor "Abb" for product "800xa System" and version "5.1"		revision_d		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				5.1 Search vendor "Abb" for product "800xa System" and version "5.1"		revision_e		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				5.1 Search vendor "Abb" for product "800xa System" and version "5.1"		revision_e_feature_pack_4		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				6.0 Search vendor "Abb" for product "800xa System" and version "6.0"		-		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				6.0.1 Search vendor "Abb" for product "800xa System" and version "6.0.1"		-		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				6.0.3 Search vendor "Abb" for product "800xa System" and version "6.0.3"		-		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				6.0.3.3 Search vendor "Abb" for product "800xa System" and version "6.0.3.3"		-		Affected
Abb Search vendor "Abb"		800xa System Search vendor "Abb" for product "800xa System"				6.1 Search vendor "Abb" for product "800xa System" and version "6.1"		-		Affected
Abb Search vendor "Abb"		Compact Hmi Search vendor "Abb" for product "Compact Hmi"				5.1 Search vendor "Abb" for product "Compact Hmi" and version "5.1"		-		Affected
Abb Search vendor "Abb"		Compact Hmi Search vendor "Abb" for product "Compact Hmi"				5.1 Search vendor "Abb" for product "Compact Hmi" and version "5.1"		feature_pack_4_revision_d		Affected
Abb Search vendor "Abb"		Compact Hmi Search vendor "Abb" for product "Compact Hmi"				5.1 Search vendor "Abb" for product "Compact Hmi" and version "5.1"		revision_b		Affected
Abb Search vendor "Abb"		Compact Hmi Search vendor "Abb" for product "Compact Hmi"				5.1 Search vendor "Abb" for product "Compact Hmi" and version "5.1"		revision_d		Affected
Abb Search vendor "Abb"		Compact Hmi Search vendor "Abb" for product "Compact Hmi"				6.0.1-1 Search vendor "Abb" for product "Compact Hmi" and version "6.0.1-1"		-		Affected
Abb Search vendor "Abb"		Compact Hmi Search vendor "Abb" for product "Compact Hmi"				6.0.3-2 Search vendor "Abb" for product "Compact Hmi" and version "6.0.3-2"		-		Affected
Abb Search vendor "Abb"		Control Builder Safe Search vendor "Abb" for product "Control Builder Safe"				1.0 Search vendor "Abb" for product "Control Builder Safe" and version "1.0"		-		Affected
Abb Search vendor "Abb"		Control Builder Safe Search vendor "Abb" for product "Control Builder Safe"				1.1 Search vendor "Abb" for product "Control Builder Safe" and version "1.1"		-		Affected
Abb Search vendor "Abb"		Control Builder Safe Search vendor "Abb" for product "Control Builder Safe"				2.0 Search vendor "Abb" for product "Control Builder Safe" and version "2.0"		-		Affected