{"id":"CVE-2013-2780","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-2780","generatedAt":"2026-10-27T20:52:32.237Z","title":"Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) via crafted packets to UDP port 161 (aka the SNMP port).","description":"Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) via crafted packets to UDP port 161 (aka the SNMP port).","published":"2013-04-22T03:27:13.000Z","lastModified":"2026-06-16T23:53:57.000Z","status":"Modified","sourceIdentifier":"ics-cert@hq.dhs.gov","cvss":{"version":"2.0","score":7.8,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C"},"cwe":[],"affected":["siemens/simatic s7-1200 firmware","siemens/simatic s7-1200 cpu 1211c firmware","siemens/simatic s7-1200 cpu 1212c firmware","siemens/simatic s7-1200 cpu 1212fc firmware","siemens/simatic s7-1200 cpu 1214 fc firmware","siemens/simatic s7-1200 cpu 1214c firmware","siemens/simatic s7-1200 cpu 1215 fc firmware","siemens/simatic s7-1200 cpu 1215c firmware","siemens/simatic s7-1200 cpu 1217c firmware"],"epss":{"score":0.02392,"percentile":0.8386,"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 (2.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-724606.pdf","tags":["Broken Link","Vendor Advisory"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-724606.pdf","tags":["Vendor Advisory"],"source":"ics-cert@hq.dhs.gov"},{"url":"http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-724606.pdf","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-724606.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-2780","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."}