CVE-2018-4851
Quick assessment
Affected
Siemens AG SICLOCK TC100, SICLOCK TC400
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Siemens SICLOCK TC100和SICLOCK TC400都是德国西门子（Siemens）公司的中央时钟产品。该产品能够为局域网内的所有网络节点提供统一准确的时间信息。 Siemens SICLOCK TC100和SICLOCK TC400中存在安全漏洞。攻击者可通过向设备发送数据包利用该漏洞造成设备重启，导致拒绝服务。
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I. Basic Information for CVE-2018-4851
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
资源管理错误
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SICLOCK TC100和SICLOCK TC400 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SICLOCK TC100和SICLOCK TC400都是德国西门子（Siemens）公司的中央时钟产品。该产品能够为局域网内的所有网络节点提供统一准确的时间信息。 Siemens SICLOCK TC100和SICLOCK TC400中存在安全漏洞。攻击者可通过向设备发送数据包利用该漏洞造成设备重启，导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Siemens AG | SICLOCK TC100, SICLOCK TC400 | SICLOCK TC100 : All versions | - |
|
II. Public POCs for CVE-2018-4851
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2018-4851 (2)
-
https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf x_refsource_CONFIRM
-
Same Patch Batch · Siemens AG · 2018-07-03 · 6 CVEs total
| CVE-2018-4852 | Siemens SICLOCK TC100和SICLOCK TC400 安全漏洞 | |
| CVE-2018-4853 | Siemens SICLOCK TC100和SICLOCK TC400 安全漏洞 | |
| CVE-2018-4854 | Siemens SICLOCK TC100和SICLOCK TC400 安全漏洞 | |
| CVE-2018-4855 | Siemens SICLOCK TC100和SICLOCK TC400 安全漏洞 | |
| CVE-2018-4856 | Siemens SICLOCK TC100和SICLOCK TC400 安全漏洞 |
IV. Related Vulnerabilities
Same product: SICLOCK TC100, SICLOCK TC400
V. Comments for CVE-2018-4851
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