High severity · published Feb 2, 2024
CVE-2020-24681
Automation Studio and PVI Multiple incorrect permission assignments for services
8.8
CVSS
0.2%
EPSS
No
On KEV
Description
Incorrect Permission Assignment for Critical Resource vulnerability in B&R Industrial Automation Automation Studio allows Privilege Escalation.This issue affects Automation Studio: from 4.6.0 through 4.6.X, from 4.7.0 before 4.7.7 SP, from 4.8.0 before 4.8.6 SP, from 4.9.0 before 4.9.4 SP.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Automation Studio · B&R Industrial Automation
4.6.0 through 4.6.x; 4.7.0 before 4.7.7 SP; 4.8.0 before 4.8.6 SP; 4.9.0 before 4.9.4 SP · source: vendor, NVD
NE
NET/PVI · B&R Industrial Automation
4.6.0 through 4.6.x; 4.7.0 before 4.7.7; 4.8.0 before 4.8.6; 4.9.0 before 4.9.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24681
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-24681
Vendor Advisory
https://www.br-automation.com/fileadmin/2021-14-BR-AS-NET-PVI-Service-Issues-c3710fbf.pdf
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