CVE-2023-27857

Rockwell Automation ThinManager ThinServer Heap-Based Buffer Overflow

Description

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.

Remediation

Solution:

  • Customers are directed to update to versions of the product that correct the vulnerability as listed in the reference article.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 26.01% Top 5%
Vendor Advisory custhelp.com
Affected: Rockwell Automation ThinManager ThinServer
Published at:
Updated at:

References

Link Tags
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-27857?
CVE-2023-27857 has been scored as a high severity vulnerability.
How to fix CVE-2023-27857?
To fix CVE-2023-27857: Customers are directed to update to versions of the product that correct the vulnerability as listed in the reference article.
Is CVE-2023-27857 being actively exploited in the wild?
It is possible that CVE-2023-27857 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~26% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27857?
CVE-2023-27857 affects Rockwell Automation ThinManager ThinServer.
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