{"id":"CVE-2019-10923","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-10923","generatedAt":"2026-10-29T00:43:20.103Z","title":"An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation.","description":"An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation.","published":"2019-10-10T14:15:15.000Z","lastModified":"2026-06-17T02:11:55.000Z","status":"Modified","sourceIdentifier":"productcert@siemens.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-400"],"affected":["siemens/cp1604 firmware","siemens/cp1616 firmware","siemens/dk standard ethernet controller firmware","siemens/ek-ertec 200 firmware","siemens/ek-ertec 200p firmware","siemens/scalance x-200irt firmware","siemens/simatic et 200m firmware","siemens/simatic et 200s firmware","siemens/simatic et 200ecopn firmware","siemens/simatic pn\\/pn coupler 6es7158-3ad01-0xa0 firmware","siemens/simatic s7-300 cpu firmware","siemens/simatic s7-300 cpu 312 ifm firmware","siemens/simatic s7-300 cpu 313 firmware","siemens/simatic s7-300 cpu 314 firmware","siemens/simatic s7-300 cpu 314 ifm firmware","siemens/simatic s7-300 cpu 315 firmware","siemens/simatic s7-300 cpu 315-2 dp firmware","siemens/simatic s7-300 cpu 316-2 dp firmware","siemens/simatic s7-300 cpu 318-2 firmware","siemens/simatic s7-400 v6 firmware","siemens/simatic s7-400 pn v7 firmware","siemens/simatic s7-400 dp v7 firmware","siemens/simatic winac rtx \\(f\\) firmware","siemens/simotion firmware","siemens/sinamics dcm firmware","siemens/sinamics dcp firmware","siemens/sinamics g110m firmware","siemens/sinamics g120 firmware","siemens/sinamics g130 firmware","siemens/sinamics g150 firmware","siemens/sinamics gh150 firmware","siemens/sinamics gl150 firmware","siemens/sinamics gm150 firmware","siemens/sinamics s110 firmware","siemens/sinamics s120 firmware","siemens/sinamics s150 firmware","siemens/sinamics sl150 firmware","siemens/sinamics sm120 firmware","siemens/sinumerik 828d","siemens/sinumerik 840d sl"],"epss":{"score":0.01401,"percentile":0.7237,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-349422.html","source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-349422.pdf","tags":["Vendor Advisory"],"source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-349422.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-10923","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."}