Vulnerability Details : CVE-2018-4852
A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to the device could potentially circumvent the authentication mechanism if he/she is able to obtain certain knowledge specific to the attacked device.
Vulnerability category: BypassGain privilege
Products affected by CVE-2018-4852
- cpe:2.3:o:siemens:siclock_tc400_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:siclock_tc100_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-4852
0.32%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-4852
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-4852
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
-
The product requires authentication, but the product has an alternate path or channel that does not require authentication.Assigned by: productcert@siemens.com (Secondary)
References for CVE-2018-4852
-
https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf
Mitigation;Vendor Advisory
-
http://www.securityfocus.com/bid/104672
Siemens SICLOCK TC Devices Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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