{"id":"CVE-2019-13542","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-13542","generatedAt":"2026-10-28T22:21:54.852Z","title":"3S-Smart Software Solutions GmbH CODESYS V3 OPC UA Server, all versions 3.5.11.0 to 3.5.15.0, allows an attacker to send crafted requests from a trusted OPC UA client that cause a NULL pointer dereference, which may trigger a denial-of-service condition.","description":"3S-Smart Software Solutions GmbH CODESYS V3 OPC UA Server, all versions 3.5.11.0 to 3.5.15.0, allows an attacker to send crafted requests from a trusted OPC UA client that cause a NULL pointer dereference, which may trigger a denial-of-service condition.","published":"2019-09-17T19:15:11.000Z","lastModified":"2026-06-17T02:16:57.000Z","status":"Modified","sourceIdentifier":"ics-cert@hq.dhs.gov","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["codesys/control for beaglebone","codesys/control for empc-a\\/imx6","codesys/control for iot2000","codesys/control for pfc100","codesys/control for pfc200","codesys/control for raspberry pi","codesys/control rte","codesys/control win","codesys/linux","codesys/runtime system toolkit"],"epss":{"score":0.01365,"percentile":0.71667,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.36%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.us-cert.gov/ics/advisories/icsa-19-255-04","tags":["Third Party Advisory","US Government Resource"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://www.us-cert.gov/ics/advisories/icsa-19-255-04","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-13542","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."}