PT-2023-21376 · Rockwell Automation · Thinmanager Thinserver

Security Researchers · Published 2023-03-21 · Updated 2025-06-09 · CVE-2023-27856

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Rockwell Automation's ThinManager ThinServer (affected versions not specified)

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

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

BDU:2025-05640

CVE-2023-27856

Affected Products

Thinmanager Thinserver

References · 8

• https://osv.dev/vulnerability/CVE-2023-27856 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-27856 · Security Note
• https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-05640 · Security Note
• https://t.me/cibsecurity/60430 · Telegram Post
• https://cisa.gov/news-events/ics-advisories/icsa-23-080-06 · Note
• https://twitter.com/threatsbank/status/1932014812852285655 · Twitter Post
• https://t.me/cvenotify/46607 · Telegram Post