Arbitrary File Overwrite Vulnerability in Advantech WebAccess/SCADA
CVE-2023-32540

9.8CRITICAL

Key Information:

Vendor

Advantech
Status
WebAccess/SCADA
Vendor
CVE Published:
6 June 2023

What is CVE-2023-32540?

An arbitrary file overwrite vulnerability in Advantech WebAccess/SCADA versions 9.1.3 and earlier enables attackers to overwrite any file within the operating system. This flaw could allow an attacker to not only inject malicious code into an XLS file but also modify the file extension to facilitate arbitrary code execution, posing significant security risks to affected systems.

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Affected Version(s)

WebAccess/SCADA 0

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-1...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

YangLiu from Elex Feigong Research Institute reported these vulnerabilities to CISA.
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