CVE-2021-27460
Rockwell Automation FactoryTalk AssetCentre Deserialization of Untrusted Data
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Rockwell Automation FactoryTalk AssetCentre Deserialization of Untrusted Data
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.
- Record
CVE-2021-27460- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2021-14214
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.
- Record
EUVD-2021-14214- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v749-5446-q4q4
Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier components contain .NET remoting...
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.
- Record
GHSA-v749-5446-q4q4- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-27460- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | w0ot-net/factorytalk-assetcentre-rce | 2026-11-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27460 is a critical vulnerability (CVSS 10.0) in Rockwell Automation Factorytalk Assetcentre, published March 23, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.19%, the 88th percentile. No source names a fixed version.