{"id":"CVE-2024-5000","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-5000","generatedAt":"2026-10-28T02:13:10.363Z","title":"An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to affected CODESYS products which can cause a DoS due to incorrect calculation of buffer size.","description":"An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to affected CODESYS products which can cause a DoS due to incorrect calculation of buffer size.\n\n","published":"2024-06-04T09:15:10.000Z","lastModified":"2026-06-17T08:14:53.000Z","status":"Deferred","sourceIdentifier":"info@cert.vde.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-131"],"affected":[],"epss":{"score":0.00569,"percentile":0.46838,"date":"2026-10-26","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 (0.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://cert.vde.com/en/advisories/VDE-2024-026","source":"info@cert.vde.com"},{"url":"https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=18355&token=e3e5a937ce72602bec39718ddc2f4ba6d983ccd1&download=","source":"info@cert.vde.com"},{"url":"https://cert.vde.com/en/advisories/VDE-2024-026","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=18355&token=e3e5a937ce72602bec39718ddc2f4ba6d983ccd1&download=","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-5000","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."}