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CVE-2021-45033

Quick assessment

Affected
Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C
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 SICAM A8000 CP-8000是德国西门子（Siemens）公司的一款用于继电保护与变电站环境的保护与间隔控制单元设备。 Siemens SICAM A8000 CP-8000 存在信任管理问题漏洞，该漏洞源于未记录的调试端口使用硬编码的默认凭据。 如果此端口由特权用户启用，则知道凭据的攻击者可以访问受影响设备上的管理调试 shell。

AI Predicted 6.5 Difficulty: Easy EPSS 0.91% · P57
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I. Basic Information for CVE-2021-45033

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions < V16.20), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions < V16.20), CP-8021 MASTER MODULE (All versions < V16.20), CP-8022 MASTER MODULE WITH GPRS (All versions < V16.20). An undocumented debug port uses hard-coded default credentials. If this port is enabled by a privileged user, an attacker aware of the credentials could access an administrative debug shell on the affected device.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SICAM A8000 CP-8000 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SICAM A8000 CP-8000是德国西门子（Siemens）公司的一款用于继电保护与变电站环境的保护与间隔控制单元设备。 Siemens SICAM A8000 CP-8000 存在信任管理问题漏洞，该漏洞源于未记录的调试端口使用硬编码的默认凭据。 如果此端口由特权用户启用，则知道凭据的攻击者可以访问受影响设备上的管理调试 shell。
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 CP-8000 MASTER MODULE WITH I/O -25/+70°C All versions < V16.20 -
Siemens CP-8000 MASTER MODULE WITH I/O -40/+70°C All versions < V16.20 -
Siemens CP-8021 MASTER MODULE All versions < V16.20 -
Siemens CP-8022 MASTER MODULE WITH GPRS All versions < V16.20 -

II. Public POCs for CVE-2021-45033

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III. Intelligence Information for CVE-2021-45033

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Vendor Advisories for CVE-2021-45033 (1)

Same Patch Batch · Siemens · 2022-01-11 · 8 CVEs total

CVE-2021-45460 Siemens Sicam Pq Analyzer 代码问题漏洞
CVE-2021-45034 Siemens SICAM A8000 CP-8000 日志信息泄露漏洞
CVE-2021-41769 Siemens SIPROTEC 5 输入验证错误漏洞
CVE-2021-37198 Siemens Comos 跨站请求伪造漏洞
CVE-2021-37197 Siemens Comos SQL注入漏洞
CVE-2021-37195 Siemens Comos 跨站脚本漏洞
CVE-2021-37196 Siemens Comos 路径遍历漏洞

IV. Related Vulnerabilities

Same product: CP-8000 MASTER MODULE WITH I/O -25/+70°C
Same vendor: Siemens
Same weakness: CWE-798

V. Comments for CVE-2021-45033

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