CVE-2023-27855
9.8
CRITICAL · CVSS 3.1 · EPSS 13.5% (pctl 96)
Patch early
EPSS 13.5% — above the 10% action threshold.
Description
In affected versions, a path traversal exists when processing a message in Rockwell Automation's ThinManager ThinServer. An unauthenticated remote attacker could potentially exploit this vulnerability to upload arbitrary files to any directory on the disk drive where ThinServer.exe is installed. The attacker could overwrite existing executable files with attacker-controlled, malicious contents, potentially causing remote code execution.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 13.45% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-22 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2023-03-22 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| rockwellautomation | thinmanager |
References
→ the Explorer · watch your stack · NVD