How severe is CVE-2020-6967?

CVE-2020-6967 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-6967 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6967?

CVE-2020-6967 affects Rockwellautomation Factorytalk Services Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-6967?

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

When was CVE-2020-6967 published?

CVE-2020-6967 was published on 2020-03-23 and last updated on 2026-06-17.

CVE-2020-6967

CVE-2020-6967 is a critical-severity vulnerability in Rockwellautomation Factorytalk Services Platform with a CVSS 3.x base score of 9.8. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Rockwellautomation Factorytalk Services Platform
Published: 2020-03-23
Last modified: 2026-06-17

Description

In Rockwell Automation all versions of FactoryTalk Diagnostics software, a subsystem of the FactoryTalk Services Platform, FactoryTalk Diagnostics exposes a .NET Remoting endpoint via RNADiagnosticsSrv.exe at TCPtcp/8082, which can insecurely deserialize untrusted data.

Frequently asked questions

What is CVE-2020-6967?: In Rockwell Automation all versions of FactoryTalk Diagnostics software, a subsystem of the FactoryTalk Services Platform, FactoryTalk Diagnostics exposes a .NET Remoting endpoint via RNADiagnosticsSrv.exe at TCPtcp/8082, which can insecurely deserialize untrusted data.
How severe is CVE-2020-6967?: CVE-2020-6967 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-6967 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6967?: CVE-2020-6967 affects Rockwellautomation Factorytalk Services Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6967?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-6967 published?: CVE-2020-6967 was published on 2020-03-23 and last updated on 2026-06-17.

References

https://www.us-cert.gov/ics/advisories/icsa-20-051-02

Affected products (1)

cpe:2.3:a:rockwellautomation:factorytalk_services_platform:-:*:*:*:*:*:*:*

More vulnerabilities in Rockwellautomation Factorytalk Services Platform

CVE-2020-14516 — Critical (CVSS 10.0): In Rockwell Automation FactoryTalk Services Platform Versions 6.10.00 and 6.11.00, there is an issue with the…
CVE-2024-21917 — Critical (CVSS 9.8): A vulnerability exists in Rockwell Automation FactoryTalk® Service Platform that allows a malicious user to obtain the…
CVE-2021-22681 — Critical (CVSS 9.8): Rockwell Automation Studio 5000 Logix Designer Versions 21 and later, and RSLogix 5000 Versions 16 through 20 use a key…
CVE-2024-21915 — Critical (CVSS 9.0): A privilege escalation vulnerability exists in Rockwell Automation FactoryTalk® Service Platform (FTSP). If exploited,…
CVE-2020-12033 — High (CVSS 8.8): In Rockwell Automation FactoryTalk Services Platform, all versions, the redundancy host service (RdcyHost.exe) does not…
CVE-2021-32960 — High (CVSS 8.5): Rockwell Automation FactoryTalk Services Platform v6.11 and earlier, if FactoryTalk Security is enabled and deployed…

All CVEs affecting Rockwellautomation Factorytalk Services Platform →

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities

CVE-2026-41104 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Planetary Computer Pro allows an unauthorized attacker to disclose…
CVE-2026-43633 — Critical (CVSS 10.0): HestiaCP versions 1.9.0 through 1.9.4 contain a deserialization vulnerability in the web terminal component caused by a…
CVE-2026-33819 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
CVE-2026-20131 — Critical (CVSS 10.0): A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2026-25632 — Critical (CVSS 10.0): EPyT-Flow is a Python package designed for the easy generation of hydraulic and water quality scenario data of water…
CVE-2025-14931 — Critical (CVSS 10.0): Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability.…

Browse all CWE-502 (Deserialization of Untrusted Data) vulnerabilities →