CVE-2026-54801 json
A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions <…
published 4mo ago modified 18d ago also EUVD-2026-42596
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
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 contains insufficient validation of authentication credentials when processing administrative account modifications through the web API. This could allow an authenticated attacker to bypass security controls and gain unauthorized elevated privileges.
Patch / fix
- Siemens CPCI85 Central Processing/Communication V26.20
- Siemens SICORE Base system V26.20.0
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What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-26-197-05 updated cvss 7.2
Siemens SICAM 8
-
Siemens CPCI85 Central Processing/Communication < 26.20affected: fixed in V26.20
-
Siemens SICORE Base system < 26.20.0affected: fixed in V26.20.0
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 4mo ago
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 4.0 | 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Siemens CPCI85 Central Processing/Communication
- Siemens SICORE Base system
Classification
- Weakness
-
- CWE-620 Unverified Password Change
References
Sources
- CVE List CVE-2026-54801
- NVD CVE-2026-54801
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