NULL pointer dereference in Unified Automation Uagateway
CVE-2023-32171
Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability. The specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (70.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Unified Automation Uagateway — versions 1.5.12.482
- Unified-Automation Uagateway
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-23-776/ (x_research-advisory, Third Party Advisory)
- documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt (vendor-advisory, Release Notes)
Frequently asked questions
- What is CVE-2023-32171?
- CVE-2023-32171 is a medium-severity vulnerability in Unified Automation Uagateway, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2024-05-03.
- How severe is CVE-2023-32171?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-32171 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.