🛡️ CVE-2023-27857 — thinmanager

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-125 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2023-27857 is classified as CWE-125: Out-of-bounds Read. The code reads past the limits of a buffer, exposing adjacent memory contents or crashing the process.

Affected software

CVE-2023-27857 is recorded against 1 package.

  • thinmanager

Timeline and source

Published on 22 March 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

rockwellautomation.custhelp.com
rockwellautomation.custhelp.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-125
Public Exploit ✅ No
Source NVD
Published 2023-03-22
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
thinmanager — —

Similar Threats

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