CVE-2023-27856
Rockwell Automation ThinManager ThinServer Path Traversal Download
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Rockwell Automation ThinManager ThinServer Path Traversal Download
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.
- Record
CVE-2023-27856- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2023-31591
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.
- Record
EUVD-2023-31591- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9hjj-m2fc-f62r
A path traversal exists when processing a message of type 8 in Rockwell Automation's ThinManager...
A 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.
- Record
GHSA-9hjj-m2fc-f62r- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-27856- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | ThinManager Path Traversal (CVE-2023-27856) Arbitrary File Download | 2023-04-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-27856 is a high vulnerability (CVSS 7.5) in Rockwell Automation Thinmanager Thinserver, published March 21, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 77.2%, the 99th percentile. No source names a fixed version.