Rockwell Automation ThinManager ThinServer Heap-Based Buffer Overflow
Priority MEDIUM 57CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.18335 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Rockwell | ThinManager ThinServer | 6.x - 10.x; 11.0.0 - 11.0.5; 11.1.0 - 11.1.5; 11.2.0 - 11.2.6; 12.0.0 - 12.0.4; 12.1.0 - 12.1.5; 13.0.0 - 13.0.1 | — | No fix listed | CNA |
- ThinManager ThinServer VendorRockwell Affected 6.x - 10.x; 11.0.0 - 11.0.5; 11.1.0 - 11.1.5; 11.2.0 - 11.2.6; 12.0.0 - 12.0.4; 12.1.0 - 12.1.5; 13.0.0 - 13.0.1 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rockwellautomation:thinmanager:*:*:*:*:*:*:*:* | 11.0.0 to before 11.0.5; 11.1.0 to before 11.1.5; 11.2.0 to before 11.2.6; 12.0.0 to before 12.0.3; 12.1.0 to before 12.1.4 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:thinmanager:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | Rockwell |
- cpe:2.3:a:rockwellautomation:thinmanager:*:*:*:*:*:*:*:* Versions 11.0.0 to before 11.0.5; 11.1.0 to before 11.1.5; 11.2.0 to before 11.2.6; 12.0.0 to before 12.0.3; 12.1.0 to before 12.1.4 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:thinmanager:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·Rockwell
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-27857
- 2026-10-03 Alias added: GHSA-pr5c-7q57-fp6g
References
More Rockwell Thinmanager vulnerabilities
- TI-2023-12455 Rockwell Automation ThinManager ThinServer Path Traversal Download CVSS 3.1HIGH 7.5
- TI-2022-18255 Rockwell Automation ThinManager Software Vulnerable to Arbitrary Code Execution and Denial-Of-Service Attack CVSS 3.1CRITICAL 9.8
- TI-2024-09617 Rockwell Automation FactoryTalk ThinManager Authentication Vulnerability CVSS 4.0CRITICAL 9.3
- TI-2023-12454 Rockwell Automation ThinManager ThinServer Path Traversal Upload CVSS 3.1CRITICAL 9.8
- TI-2024-09618 Rockwell Automation FactoryTalk ThinManager Denial-of-Service Vulnerability CVSS 4.0HIGH 8.7
- TI-2024-30788 ThinManager® Code Execution Vulnerability CVSS 4.0HIGH 8.5
Sources
- CVE-2023-27857 · CVE Program
- CVE-2023-27857 · NVD
- FIRST EPSS
- GHSA-pr5c-7q57-fp6g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences