The vulnerability, if exploited, could allow an authenticated miscreant (Process Optimization Standard User) to tamper with queries in Captive Historian and achieve code execution under SQL Server administrative privileges, potentially resulting in complete compromise of the SQL Server.
Conclusion & alert: CVE-2025-61943 is rated Moderate Risk (46/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.33%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.02% | 0.33% | +0.31% |
| 2 | 2026-01-16 | — | 0.02% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 4.0 | CRITICAL |
|
— | — | [email protected] |
| 8.4 | 3.1 | HIGH |
|
2.0 | 5.8 | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| aveva | process_optimization | < 2025 | cpe:2.3:a:aveva:process_optimization:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-015-01.json | Third Party Advisory |
| https://softwaresupportsp.aveva.com/en-US/downloads/products/details/a643eaa3-0d85-4fde-ac11-5239e87a68ea | Permissions Required |
| https://www.aveva.com/en/support-and-success/cyber-security-updates/ | Vendor Advisory |
| https://www.cisa.gov/news-events/ics-advisories/icsa-26-015-01 | Third Party Advisory US Government Resource |