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Vulnerability record · CVE-2023-1437 · published 2 August 2023

CVE-2023-1437: Advantech webaccess\/scada memory buffer overflow vulnerability

Advantech · Webaccess\/Scada

All versions prior to 9.1.4 of Advantech WebAccess/SCADA are vulnerable to use of untrusted pointers. The RPC arguments the client sent could contain raw memory pointers for the server to use as-is. This could allow an attacker to gain access to the remote file system and the ability to execute commands and overwrite files.

9.8 CVSS 3.1 Critical EPSS 2.8% · top 14.1% CWE-822 · CWE-822CWE-119 · Memory buffer overflow
9.8CVSS 3.1 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

All versions prior to 9.1.4 of Advantech WebAccess/SCADA are vulnerable to use of untrusted pointers. The RPC arguments the client sent could contain raw memory pointers for the server to use as-is. This could allow an attacker to gain access to the remote file system and the ability to execute commands and overwrite files.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.cisa.gov/news-events/ics-advisories/icsa-23-166-02 Third Party AdvisoryUS Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-166-02 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-32540Advantech webaccess\/scada code injection vulnerabilityIn Advantech WebAccss/SCADA v9.1.3 and prior, there is an arbitrary file overwrite vulnerability, which could allow an attacker to overwrite any file…EPSS 0.90%9.8CVE-2023-32628Advantech webaccess\/scada unrestricted file upload vulnerabilityIn Advantech WebAccss/SCADA v9.1.3 and prior, there is an arbitrary file upload vulnerability that could allow an attacker to modify the file extensi…EPSS 0.71%9.8CVE-2021-32943Advantech webaccess\/scada stack-based buffer overflow vulnerabilityThe affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/…EPSS 1.9%9.8CVE-2019-6519Advantech webaccess\/scada improper authentication vulnerabilityWebAccess/SCADA, Version 8.3. An improper authentication vulnerability exists that could allow a possible authentication bypass allowing an attacker …EPSS 2.8%9.8CVE-2019-6523Advantech webaccess\/scada sql injection vulnerabilityWebAccess/SCADA, Version 8.3. The software does not properly sanitize its inputs for SQL commands.EPSS 2.0%8.8CVE-2021-22669Advantech webaccess\/scada incorrect permission assignment vulnerabilityIncorrect permissions are set to default on the ‘Project Management’ page of WebAccess/SCADA portal of WebAccess/SCADA Versions 9.0.1 and prior, whic…EPSS 1.2%8.8CVE-2020-25161Advantech webaccess\/scada vulnerabilityThe WADashboard component of WebAccess/SCADA Versions 9.0 and prior may allow an attacker to control or influence a path used in an operation on the …EPSS 1.6%8.8CVE-2020-13551Advantech webaccess\/scada incorrect default permissions vulnerabilityAn exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation. In priv…EPSS 0.49%

Source: NIST National Vulnerability Database (record CVE-2023-1437), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.