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…

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

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.