CVE-2021-31340— Siemens SIMATIC 多款产品资源管理错误漏洞
一分钟漏洞结论
影响对象
Siemens SIMATIC RF166C
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Siemens SIMATIC是西门子（Siemens）的一款组态软件。 Siemens SIMATIC 多款产品存在资源管理错误漏洞，该漏洞源于受影响的设备无法正确处理大量传入连接。 攻击者可能会利用它来导致拒绝服务情况。
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一、 漏洞 CVE-2021-31340 基础信息
漏洞信息
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Vulnerability Title
N/A
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SIMATIC RF166C (All versions > V1.1 and < V1.3.2), SIMATIC RF185C (All versions > V1.1 and < V1.3.2), SIMATIC RF186C (All versions > V1.1 and < V1.3.2), SIMATIC RF186CI (All versions > V1.1 and < V1.3.2), SIMATIC RF188C (All versions > V1.1 and < V1.3.2), SIMATIC RF188CI (All versions > V1.1 and < V1.3.2), SIMATIC RF360R (All versions < V2.0), SIMATIC Reader RF610R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF610R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF610R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF615R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF615R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF615R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF650R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF650R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF650R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF650R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF680R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF680R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF680R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF680R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF685R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF685R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF685R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF685R FCC (All versions > V3.0 < V4.0). Affected devices do not properly handle large numbers of incoming connections. An attacker may leverage this to cause a Denial-of-Service situation.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
来源: CVE Program / CVE List V5
Vulnerability Title
Siemens SIMATIC 多款产品资源管理错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Siemens SIMATIC是西门子（Siemens）的一款组态软件。 Siemens SIMATIC 多款产品存在资源管理错误漏洞，该漏洞源于受影响的设备无法正确处理大量传入连接。 攻击者可能会利用它来导致拒绝服务情况。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Siemens | SIMATIC RF166C | All versions > V1.1 and < V1.3.2 | - |
|
| Siemens | SIMATIC RF185C | All versions > V1.1 and < V1.3.2 | - |
|
| Siemens | SIMATIC RF186C | All versions > V1.1 and < V1.3.2 | - |
|
| Siemens | SIMATIC RF186CI | All versions > V1.1 and < V1.3.2 | - |
|
| Siemens | SIMATIC RF188C | All versions > V1.1 and < V1.3.2 | - |
|
| Siemens | SIMATIC RF188CI | All versions > V1.1 and < V1.3.2 | - |
|
| Siemens | SIMATIC RF360R | All versions < V2.0 | - |
|
| Siemens | SIMATIC Reader RF610R CMIIT | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF610R ETSI | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF610R FCC | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF615R CMIIT | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF615R ETSI | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF615R FCC | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF650R ARIB | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF650R CMIIT | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF650R ETSI | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF650R FCC | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF680R ARIB | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF680R CMIIT | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF680R ETSI | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF680R FCC | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF685R ARIB | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF685R CMIIT | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF685R ETSI | All versions > V3.0 < V4.0 | - |
|
| Siemens | SIMATIC Reader RF685R FCC | All versions > V3.0 < V4.0 | - |
|
二、漏洞 CVE-2021-31340 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2021-31340 厂商安全公告 (1)
-
https://cert-portal.siemens.com/productcert/pdf/ssa-787292.pdf x_refsource_MISC
同批安全公告 · Siemens · 2021-06-08 · 共 5 条
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IV. Related Vulnerabilities
V. Comments for CVE-2021-31340
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