CVE-2020-8471

ABB Central Licensing System - Weak File Permissions

Severity Score

7.8

*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, weak file permissions allow an authenticated attacker to block the license handling, escalate his/her privileges and execute arbitrary code.

Para el componente Central Licensing Server usado en los productos de 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+ Operations versiones 3.0 hasta 3.2 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 para 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 versión 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, unos permisos de archivo débiles permiten a un atacante autenticado bloquear el manejo de la licencia, escalar sus privilegios y ejecutar código arbitrario.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* 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
2024-08-04 CVE Updated
2024-08-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-275: Permission Issues
CWE-276: Incorrect Default Permissions

CAPEC

References (3)

URL	Tag	Source
https://www.us-cert.gov/ics/advisories/icsa-20-154-04	X_refsource_misc

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://search.abb.com/library/Download.aspx?DocumentID=2PAA121230&LanguageCode=en&DocumentPartId=&Action=Launch	2020-06-09
https://search.abb.com/library/Download.aspx?DocumentID=2PAA121231&LanguageCode=en&DocumentPartId=&Action=Launch	2020-06-09

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"		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"		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