CVE-2023-27856

Name: CVE-2023-27856
Creator: NVD / NIST
Published: 2023-03-22T00:15:12.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 76.13%

Last modified Jun 17, 2026

CVE-2023-27856 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In affected versions, path traversal exists when processing a message of type 8 in Rockwell Automation's ThinManager ThinServer. An unauthenticated remote attacker can exploit this vulnerability to download arbitrary files on the disk drive where ThinServer.exe is installed. . EPSS estimates a 76.13% chance of exploitation in the next 30 days.

Description

In affected versions, path traversal exists when processing a message of type 8 in Rockwell Automation's ThinManager ThinServer. An unauthenticated remote attacker can exploit this vulnerability to download arbitrary files on the disk drive where ThinServer.exe is installed.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

76.13%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rockwellautomation	Thinmanager	>= 6.0.0, <= 10.0.2
Rockwellautomation	Thinmanager	>= 11.0.0, <= 11.0.5
Rockwellautomation	Thinmanager	>= 11.1.0, <= 11.1.5
Rockwellautomation	Thinmanager	>= 11.2.0, <= 11.2.6
Rockwellautomation	Thinmanager	>= 12.0.0, <= 12.0.4
Rockwellautomation	Thinmanager	>= 12.1.0, <= 12.1.5
Rockwellautomation	Thinmanager	13.0.0
Rockwellautomation	Thinmanager	13.0.1

References

https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640Permissions Required, Vendor Advisory
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640Permissions Required, Vendor Advisory

Timeline

Published: Mar 22, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-27856?

How severe is CVE-2023-27856?

CVE-2023-27856 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 76.13% probability of exploitation in the next 30 days.

How do I fix CVE-2023-27856?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-27856?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST