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High severity · published May 3, 2024
CVE-2023-39463
Triangle MicroWorks SCADA Data Gateway Trusted Certification Unrestricted Upload of File Remote Code Execution Vulnerability
7.2
CVSS
1.2%
EPSS
No
On KEV
Description
Triangle MicroWorks SCADA Data Gateway Trusted Certification Unrestricted Upload of File Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Triangle MicroWorks SCADA Data Gateway. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the trusted certification feature. The issue lies in the handling of the OpcUaSecurityCertificateAuthorityTrustDir variable, which allows an arbitrary file write with attacker-controlled data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-20537.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SD
Scada Data Gateway · Trianglemicroworks
5.1.3.20324 · source: NVD
Affected product
SD
Scada Data Gateway
Trianglemicroworks
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39463
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39463
Release Notes
https://www.trianglemicroworks.com/products/scada-data-gateway/what's-new
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1031/
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