{"id":"CVE-2016-8562","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-8562","generatedAt":"2026-10-29T00:33:15.280Z","title":"Siemens SIMATIC CP 1543-1 Improper Privilege Management 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.","published":"2016-11-18T21:59:02.000Z","lastModified":"2026-06-17T00:54:31.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["siemens/simatic cp 1543-1 firmware","siemens/siplus net cp 1543-1 firmware"],"epss":{"score":0.0361,"percentile":0.89425,"date":"2026-10-27","history":[]},"kev":{"listed":true,"dateAdded":"2022-03-03","dueDate":"2022-03-24","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-8562"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/94436","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf","tags":["Broken Link","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01","tags":["Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/94436","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf","tags":["Broken Link","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-8562","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}