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CVE-2026-22925

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0). The affected application is susceptible to resource exhaustion when subjected to high volume of TCP SYN packets This could allow an attacker to render the service unavailable and cause denial-of-service conditions by overwhelming system resources.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:66c6a4602830578086993863ba9ed8486bb60e9789f8d5fdb6591dfd66e2cfb5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:71fc31a8bfe9d2ad34679c61c112d773ec35976202f8f437f296511a73729c2e · sha256:0a784ee83965a049… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:71fc31a8bfe9d2ad34679c61c112d773ec35976202f8f437f296511a73729c2e · sha256:0a784ee83965a049… · /containers/cna/metrics/0/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unknown","product":"SIMATIC CN 4100","vendor":"Siemens","versions":[{"lessThan":"V5.0","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71fc31a8bfe9d2ad34679c61c112d773ec35976202f8f437f296511a73729c2e · sha256:0a784ee83965a049… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:71fc31a8bfe9d2ad34679c61c112d773ec35976202f8f437f296511a73729c2e · sha256:0a784ee83965a049… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:71fc31a8bfe9d2ad34679c61c112d773ec35976202f8f437f296511a73729c2e · sha256:0a784ee83965a049… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:71fc31a8bfe9d2ad34679c61c112d773ec35976202f8f437f296511a73729c2e · sha256:0a784ee83965a049… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71fc31a8bfe9d2ad34679c61c112d773ec35976202f8f437f296511a73729c2e · sha256:0a784ee83965a049… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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