SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-2915

The Rockwell Automation Thinmanager Thinserver is impacted by an improper input validation vulnerability, Due to improper input validation, a path traversal vulnerability exists when the ThinManager software processes a certain function.

CRITICAL 9.1EPSS 81.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 81.8%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

The Rockwell Automation Thinmanager Thinserver is impacted by an improper input validation vulnerability, Due to improper input validation, a path traversal vulnerability exists when the ThinManager software processes a certain function. If exploited, an unauthenticated remote threat actor can delete arbitrary files with system privileges. A malicious user could exploit this vulnerability by sending a specifically crafted synchronization protocol message resulting in a denial-of-service condition.

CVSS 3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
81.83% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20, CWE-22
Affected
rockwellautomation/thinmanager thinserver
Source
PSIRT@rockwellautomation.com
EPSS trend
0%43%85%3 November 2026: 81.83%3 November 20263 November 2026

EPSS 81.8% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.