High severity8.2NVD Advisory· Published Jul 3, 2018· Updated Jun 17, 2026
CVE-2018-4851
CVE-2018-4851
Description
A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to the device could cause a Denial-of-Service condition by sending certain packets to the device, causing potential reboots of the device. The core functionality of the device could be impacted. The time serving functionality recovers when time synchronization with GPS devices or other NTP servers are completed.
Affected products
3- Range: All versions
- Range: All versions
- Siemens AG/SICLOCK TC100, SICLOCK TC400v5Range: SICLOCK TC100 : All versions
Patches
Vulnerability mechanics
References
2- www.securityfocus.com/bid/104672nvdThird Party AdvisoryVDB Entry
- cert-portal.siemens.com/productcert/pdf/ssa-197012.pdfnvdMitigationVendor Advisory
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