{"id":"CVE-2015-2177","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-2177","generatedAt":"2026-11-05T06:27:55.244Z","title":"Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via crafted packets on (1) TCP port 102 or (2) Profibus.","description":"Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via crafted packets on (1) TCP port 102 or (2) Profibus.","published":"2015-03-07T02:59:09.000Z","lastModified":"2026-06-17T00:23:43.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","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-20"],"affected":["siemens/simatic s7-300 cpu firmware","siemens/simatic s7-300 cpu"],"epss":{"score":0.34342,"percentile":0.98414,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-05-30","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44802,"kind":"exploit","title":"Siemens SIMATIC S7-300 CPU - Remote Denial of Service","url":"https://www.exploit-db.com/exploits/44802","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/44802.py","file":"exploits/linux/dos/44802.py","published":"2018-05-30","added":"2018-05-30","updated":"2018-05-30","author":"t4rkd3vilz","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2015-2177"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 34.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/72973","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1032040","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-987029.pdf","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-987029.pdf","source":"cve@mitre.org"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-15-064-04","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44802/","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/72973","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1032040","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-987029.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-987029.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-15-064-04","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44802/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-2177","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."}