VDB-154556 · CVE-2020-8473 · GCVE-0-2020-8473

ABB System 800xA Base up to 6.1 Folder Permission permission assignment

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in ABB System 800xA Base up to 6.1. The affected element is an unknown function of the component Folder Permission. Such manipulation leads to permission assignment. This vulnerability is documented as CVE-2020-8473. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in ABB System 800xA Base up to 6.1. It has been rated as critical. Affected by this issue is an unknown part of the component Folder Permission. The manipulation with an unknown input leads to a permission assignment vulnerability. Using CWE to declare the problem leads to CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Insufficient folder permissions used by system functions in ABB System 800xA Base (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploit the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.

The weakness was released 04/29/2020 (Website). The advisory is shared for download at search.abb.com. This vulnerability is handled as CVE-2020-8473 since 01/30/2020. The attack needs to be approached locally. A simple authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-154555. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

System 800xA Base

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 4.8
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (Asea Brown Boveri Ltd. (ABB)): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/30/2020 🔍
04/29/2020 +90 days 🔍
04/29/2020 +0 days 🔍
05/06/2025 +1833 days 🔍

Sourcesinfo

Advisory: search.abb.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-8473 (🔍)
GCVE (CVE): GCVE-0-2020-8473
GCVE (VulDB): GCVE-100-154556
See also: 🔍

Entryinfo

Created: 04/29/2020 08:33
Updated: 05/06/2025 11:09
Changes: 04/29/2020 08:33 (38), 04/29/2020 09:26 (11), 10/14/2020 08:11 (1), 10/14/2020 08:18 (1), 06/04/2024 09:45 (33), 05/06/2025 11:09 (3)
Complete: 🔍
Cache ID: 216::103