CVE-2023-46284: siemens opcenter_execution_foundation Classic Buffer Overflow
Vulnerability summary
CVE-2023-46284 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in siemens opcenter_execution_foundation. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59% of scored vulnerabilities.
Timeline
- 12-12-2023PublishedVulnerability first disclosed.
- 25-02-2026Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in Opcenter Execution Foundation (All versions < V2407), Opcenter Quality (All versions < V2312), SIMATIC PCS neo (All versions < V4.1), SINEC NMS (All versions < V2.0 SP1), Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions < V17 Update 8), Totally Integrated Automation Portal (TIA Portal) V18 (All versions < V18 Update 3). The affected application contains an out of bounds write past the end of an allocated buffer when handling specific requests on port 4002/tcp and 4004/tcp. This could allow an attacker to crash the application. The corresponding service is auto-restarted after the crash.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.91%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.91% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Siemens11 products
- opcenter_execution_foundation< V2407
- opcenter_quality< V2312 | na
- simatic_pcs_neo< V4.1 | < 4.1
- sinec nms< V2.0 SP1
- sinumerik_integrate_runmyhmi_\/automotivena
1 vendor · 11 products