CVE-2018-4856 json
A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions).
published 2018-07-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16642
- cvss
- 4.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with administrative access to the device's management interface could lock out legitimate users. Manual interaction is required to restore the access of legitimate users.
Exploit prediction
1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.9 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected products
- Siemens AG SICLOCK TC100, SICLOCK TC400
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
cert-portal.siemens.com
/productcert/pdf/ssa-197012.pdf
mitigation, vendor-advisory
-
securityfocus.com
/bid/104672
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-4856
- NVD CVE-2018-4856
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.