SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-27857

An unauthenticated remote attacker can exploit this vulnerability to crash ThinServer.exe due to a read access violation.

HIGH 7.5EPSS 18.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 18.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
18.34% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
rockwellautomation/thinmanager
Source
PSIRT@rockwellautomation.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.