Arbitrary file upload in Triangle Microworks Scada Data Gateway
CVE-2023-39463
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Triangle Microworks Scada Data Gateway — versions 5.1.3.20324
- Trianglemicroworks Scada Data Gateway — versions 5.1.3.20324
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-1031/ (x_research-advisory, Third Party Advisory)
- www.trianglemicroworks.com/products/scada-data-gateway/what's-new (vendor-advisory, Release Notes)
Frequently asked questions
- What is CVE-2023-39463?
- CVE-2023-39463 is a high-severity vulnerability in Triangle Microworks Scada Data Gateway, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2024-05-03.
- How severe is CVE-2023-39463?
- High severity. CVSS v3 base score is 7.2 out of 10.