How severe is CVE-2025-61943?

CVE-2025-61943 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-61943 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-61943?

CVE-2025-61943 affects Aveva Process Optimization. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-61943?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-61943 have an EU (EUVD) identifier?

Yes. CVE-2025-61943 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2988.

When was CVE-2025-61943 published?

CVE-2025-61943 was published on 2026-01-16 and last updated on 2026-06-17.

CVE-2025-61943

CVE-2025-61943 is a high-severity vulnerability in Aveva Process Optimization with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v4: 9.3
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2988
Weakness: CWE-89
Affected product: Aveva Process Optimization
Published: 2026-01-16
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-61943?: 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.
How severe is CVE-2025-61943?: CVE-2025-61943 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-61943 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-61943?: CVE-2025-61943 affects Aveva Process Optimization. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-61943?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-61943 have an EU (EUVD) identifier?: Yes. CVE-2025-61943 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2988.
When was CVE-2025-61943 published?: CVE-2025-61943 was published on 2026-01-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:aveva:process_optimization:*:*:*:*:*:*:*:*

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