SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-27855

In affected versions, a path traversal exists when processing a message in Rockwell Automation's ThinManager ThinServer.

CRITICAL 9.8EPSS 13.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 13.5%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
13.45% probability · 96th percentile
CISA KEV
Not listed
Weakness
CWE-22
Affected
rockwellautomation/thinmanager
Source
PSIRT@rockwellautomation.com

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