{"id":"CVE-2018-13799","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-13799","generatedAt":"2026-10-29T03:46:13.246Z","title":"A vulnerability has been identified in SIMATIC WinCC OA V3.14 and prior (All versions < V3.14-P021).","description":"A vulnerability has been identified in SIMATIC WinCC OA V3.14 and prior (All versions < V3.14-P021). Improper access control to a data point of the affected product could allow an unauthenticated remote user to escalate its privileges in the context of SIMATIC WinCC OA V3.14. This vulnerability could be exploited by an attacker with network access to port 5678/TCP of the SIMATIC WinCC OA V3.14 server. Successful exploitation requires no user privileges and no user interaction. This vulnerability could allow an attacker to compromise integrity and availability of the SIMATIC WinCC OA system. At the time of advisory publication no public exploitation of this vulnerability was known.","published":"2018-09-12T13:29:01.000Z","lastModified":"2026-06-17T01:40:11.000Z","status":"Modified","sourceIdentifier":"productcert@siemens.com","cvss":{"version":"3.0","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},"cwe":["CWE-269"],"affected":["siemens/simatic wincc open architecture"],"epss":{"score":0.02252,"percentile":0.82854,"date":"2026-10-28","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/105332","tags":["Third Party Advisory","VDB Entry"],"source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-346256.pdf","tags":["Vendor Advisory"],"source":"productcert@siemens.com"},{"url":"http://www.securityfocus.com/bid/105332","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-346256.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-13799","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."}