#VU27360 Permissions, Privileges, and Access Controls in ABB Central Licensing System (CLS) - CVE-2020-8471

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Main Vulnerability Database Vulnerabilities #VU27360

#VU27360 Permissions, Privileges, and Access Controls in ABB Central Licensing System (CLS) - CVE-2020-8471

Published: April 27, 2020 / Updated: June 3, 2020


Vulnerability identifier: #VU27360
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-8471
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
ABB Central Licensing System (CLS)
Software vendor:
ABB

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to weak file permissions. A local user can modify the system-wide configuration and gain elevated privileges on the target system, or generate denialof-service effects through file deletion or modification.

This vulnerability affects the following ABB CLS products:

  • ABB Ability System 800xA and related system extensions: Versions 5.1, 6.0, 6.1
  • Compact HMI: Versions 5.1, 6.0
  • Control Builder Safe: Versions 1.0, 1.1, 2.0
  • ABB Ability Symphony Plus – S+ Operations: Versions 3.0 to 3.2
  • ABB Ability Symphony Plus – S+ Engineering: Versions 1.1 to 2.2
  • Composer Harmony: Versions 5.1, 6.0, 6.1
  • Composer Melody (incl. SPE for Melody 1.0 SPx): Versions 5.3, 6.1, 6.2, 6.3
  • Harmony OPC Server (HAOPC): Standalone Versions 6.0, 6.1, 7.0
  • ABB Ability System 800xA / Advant OCS Control Builder A: Versions 1.3, 1.4
  • Advant OCS AC 100 OPC Server: Versions 5.1, 6.0, 6.1
  • Composer CTK: Versions 6.1, 6.2
  • AdvaBuild: Versions 3.7 SP1, 3.7 SP2
  • OPC Server MOD 300 (non-800xA): Version 1.4
  • OPC Data Link: Versions 2.1, 2.2
  • ABB Ability Knowledge Manager: Versions 8.0, 9.0, 9.1
  • ABB Ability Manufacturing Operations Management: Versions 1812, 1909

Remediation

Install updates from vendor's website.

External links