How severe is CVE-2021-27460?

CVE-2021-27460 has a CVSS 3.x base score of 10.0, 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 none, and availability high.

Is CVE-2021-27460 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27460?

CVE-2021-27460 affects Rockwellautomation Factorytalk Assetcentre. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27460?

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-2021-27460 published?

CVE-2021-27460 was published on 2022-03-23 and last updated on 2026-06-17.

CVE-2021-27460

CVE-2021-27460 is a critical-severity vulnerability in Rockwellautomation Factorytalk Assetcentre with a CVSS 3.x base score of 10.0. 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 10.0)
CVSS v2: 7.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Rockwellautomation Factorytalk Assetcentre
Published: 2022-03-23
Last modified: 2026-06-17

Description

Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier components contain .NET remoting endpoints that deserialize untrusted data without sufficiently verifying that the resulting data will be valid. This vulnerability may allow a remote, unauthenticated attacker to gain full access to the FactoryTalk AssetCentre main server and all agent machines.

Frequently asked questions

What is CVE-2021-27460?: Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier components contain .NET remoting endpoints that deserialize untrusted data without sufficiently verifying that the resulting data will be valid. This vulnerability may allow a remote, unauthenticated attacker to gain full access to the FactoryTalk AssetCentre main server and all agent machines.
How severe is CVE-2021-27460?: CVE-2021-27460 has a CVSS 3.x base score of 10.0, 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 none, and availability high.
Is CVE-2021-27460 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27460?: CVE-2021-27460 affects Rockwellautomation Factorytalk Assetcentre. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27460?: 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-2021-27460 published?: CVE-2021-27460 was published on 2022-03-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rockwellautomation:factorytalk_assetcentre:*:*:*:*:*:*:*:*

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