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CVE-2016-8562

Known Exploited (CISA KEV)HIGH

7.5

CVSS Severity Score

EPSS Score77.7550%

EPSS Percentile89.26th

PublishedNov 18, 2016

Last ModifiedApr 21, 2026

Vulnerability 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.

Affected Platforms (CPE)

💻

Siemens

Simatic Cp 1543 1 Firmware

< 2.0.28

💻

Siemens

Siplus Net Cp 1543 1 Firmware

< 2.0.28

References & Advisories

🔗 http://www.securityfocus.com/bid/94436

🔗 http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf

🔗 https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf

🔗 https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01

🔗 http://www.securityfocus.com/bid/94436

🔗 http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf

🔗 https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf

🔗 https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01

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