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CVE-2026-54800

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application ships with a default configuration that disables all OPC UA security mechanisms. This could allow an attacker to gain unauthorized access and control over critical system functions.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b4bb67f8f735ef605f488db5ce31f8885f66f4aa4d7816c7080f0fdee71316a0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unknown","product":"CPCI85 Central Processing/Communication","vendor":"Siemens","versions":[{"lessThan":"V26.20","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"SICORE Base system","vendor":"Siemens","versions":[{"lessThan":"V26.20.0","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /containers/cna/affected/1
cvss · 2 assertions

{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

2 source assertions
{"defaultStatus":"unknown","product":"CPCI85 Central Processing/Communication","vendor":"Siemens","versions":[{"lessThan":"V26.20","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SICORE Base system","vendor":"Siemens","versions":[{"lessThan":"V26.20.0","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /containers/cna/affected/1

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-1188","description":"CWE-1188: Initialization of a Resource with an Insecure Default","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-229470.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:025420b7a0b1c89c79648c9d4028d8cc9d2e4c8eef6eb0c26066ae2584f62990 · sha256:b35718783be1cf71… · /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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