CVE-2023-27857

7.5 highEPSS 18%

High (7.5) in rockwellautomation thinmanager. EPSS 18% chance of exploitation in the next 30 days.

In affected versions, a heap-based buffer over-read condition occurs when the message field indicates more data than is present in the message field in Rockwell Automation's ThinManager ThinServer. An unauthenticated remote attacker can exploit this vulnerability to crash ThinServer.exe due to a read access violation.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 18% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2023-03-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

rockwellautomation:thinmanager

References

https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640

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