CVE-2026-27663 MEDIUM

CVE-2026-27663

Vendor Siemens
Product CPCI85 Central Processing/Communication
Weakness CWE-770 · Uncontrolled resource consumption
Published March 26, 2026
Last update April 14, 2026

CVSS base score

6.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), RTUM85 RTU Base (All versions < V26.10). The affected application contains denial-of-service (DoS) vulnerability. The remote operation mode is susceptible to a resource exhaustion condition when subjected to a high volume of requests. Sending multiple requests can exhaust resources, preventing parameterization and requiring a reset or reboot to restore functionality.

Key dates

02Disclosure timeline

March 26, 2026 CVE published
April 14, 2026 Record updated