Out-of-bounds Read in Rockwell Automation Thinmanager Thinserver
CVE-2023-27857
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.
Vulnerability class: Buffer Overflow
EPSS: 0.183 (96.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Rockwell Automation Thinmanager Thinserver — versions 6.x - 10.x, 11.0.0 - 11.0.5, 11.1.0 - 11.1.5
- Rockwellautomation Thinmanager — versions 13.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- PSIRT@rockwellautomation.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-27857?
- CVE-2023-27857 is a high-severity vulnerability in Rockwell Automation Thinmanager Thinserver, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2023-03-22.
- How severe is CVE-2023-27857?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-27857 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.