--- title: "CVE-2016-8562: A vulnerability has been identified… | CubePath" 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…" language: en source: https://cubepath.com/security/cve/CVE-2016-8562 --- # CVE-2016-8562: A vulnerability has been identified… | CubePath ## 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. Official description from the CVE record, published by mitre. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2016-8562) ## Key data ### CVSS 3.1 High 7.5 Score published by CISA-ADP in the CVE record. CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | Metric | Value | What it means | | ---------------------- | --------- | ----------------------------------------------------------------------------------------- | | Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. | | Attack complexity | High | The attack depends on conditions outside the attacker's control, so it takes preparation. | | Privileges required | Low | A basic user account is needed. | | User interaction | None | No action from any user is needed. | | Scope | Unchanged | The impact stays within the vulnerable component. | | Confidentiality impact | High | Serious or total effect on the secrecy of data. | | Integrity impact | High | Serious or total effect on the trustworthiness of data. | | Availability impact | High | Serious or total effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.03610 (3.6% probability) Percentile 89.6% Scores of Nov 10, 2026 Model v2026.06.15 ### CISA Known Exploited Vulnerabilities This CVE is listed in the CISA KEV catalog. Name in the catalog Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability Added to the catalog Mar 3, 2022 Federal due date Mar 24, 2022 ### CISA assessment as of Feb 4, 2025 Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA. Exploitation Recorded by CISA as active Automatable no Technical impact total ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [94436](http://www.securityfocus.com/bid/94436) (securityfocus.com) vdb-entry - [ics-cert.us-cert.gov/advisories/ICSA-16-327-01](https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01) - [siemens.com/cert/pool/cert/siemens\_security\_advisory\_ssa-67…](http://www.siemens.com/cert/pool/cert/siemens%5Fsecurity%5Fadvisory%5Fssa-672373.pdf) - [cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf](https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf) ## Timeline 1. ID reserved Oct 7, 2016 2. Record published Nov 18, 2016 3. Added to CISA KEV Mar 3, 2022 4. Record last updated Oct 21, 2025 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:32 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)