CVE-2023-27856
HighIn affected versions, path traversal exists when processing a message of type 8
Published Mar 21, 2023 · Updated Feb 25, 2025
Key Facts
Patch immediately- CVE-2023-27856 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Thinmanager (Rockwellautomation), ThinManager ThinServer.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 77% probability of exploitation in the next 30 days.
- Fixed versions are available, including Thinmanager <=10.0.2, Thinmanager 10.0.2.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
77%
Higher than 99.5% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2023-27856 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ThinmanagerRockwellautomation | 13.0.0, 13.0.1 | 10.0.2 |
| ThinManager ThinServer | >= 6.x - 10.x | n/a |
Patched Releases
Thinmanager
<=10.0.2
Timeline
Publicly disclosed
Mar 21, 2023
Last updated
Feb 25, 2025
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
FAQ
Common Questions.
In affected versions, path traversal exists when processing a message of type 8 in Rockwell Automation's ThinManager ThinServer.
Affected: Thinmanager (Rockwellautomation) versions 13.0.0, 13.0.1; ThinManager ThinServer versions >= 6.x - 10.x. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Thinmanager <=10.0.2, Thinmanager 10.0.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
Is CVE-2023-27856 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo