How severe is CVE-2024-21917?

CVE-2024-21917 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-2024-21917 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21917?

CVE-2024-21917 affects Rockwellautomation Factorytalk Services Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-21917?

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.

Does CVE-2024-21917 have an EU (EUVD) identifier?

Yes. CVE-2024-21917 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19523.

When was CVE-2024-21917 published?

CVE-2024-21917 was published on 2024-01-31 and last updated on 2026-06-17.

CVE-2024-21917

CVE-2024-21917 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-347.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19523
Weakness: CWE-347
Affected product: Rockwellautomation Factorytalk Services Platform
Published: 2024-01-31
Last modified: 2026-06-17

Description

A vulnerability exists in Rockwell Automation FactoryTalk® Service Platform that allows a malicious user to obtain the service token and use it for authentication on another FTSP directory. This is due to the lack of digital signing between the FTSP service token and directory. If exploited, a malicious user could potentially retrieve user information and modify settings without any authentication.

Frequently asked questions

What is CVE-2024-21917?: A vulnerability exists in Rockwell Automation FactoryTalk® Service Platform that allows a malicious user to obtain the service token and use it for authentication on another FTSP directory. This is due to the lack of digital signing between the FTSP service token and directory. If exploited, a malicious user could potentially retrieve user information and modify settings without any authentication.
How severe is CVE-2024-21917?: CVE-2024-21917 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-2024-21917 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21917?: CVE-2024-21917 affects Rockwellautomation Factorytalk Services Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21917?: 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.
Does CVE-2024-21917 have an EU (EUVD) identifier?: Yes. CVE-2024-21917 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19523.
When was CVE-2024-21917 published?: CVE-2024-21917 was published on 2024-01-31 and last updated on 2026-06-17.

References

Affected products (1)

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

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