CVE-2016-8562

HIGH7.5

CISA KEV

Published 2016-11-18 · Updated 2026-06-17 · Source cve@mitre.org

Summary

CVE-2016-8562 is a high-severity (CVSS 7.5) vulnerability in Siemens SIMATIC CP. CISA added it to the Known Exploited Vulnerabilities catalog on March 3, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by March 24, 2022. CISA does not currently list it as used in ransomware campaigns. Siemens has 2 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.

All 2 known-exploited Siemens vulnerabilities →

Description

A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service.

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

CISA Known-Exploited Vulnerability

Product: Siemens — SIMATIC CP

Name: Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability

Date added: 2022-03-03 · Due: 2022-03-24

Required action: Apply updates per vendor instructions.

References

View on NVD

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