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I. Basic Information for CVE-2021-31340
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Siemens SIMATIC 多款产品资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
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。
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
VendorProductAffected VersionsCPESubscribe
SiemensSIMATIC RF166C All versions > V1.1 and < V1.3.2 -
SiemensSIMATIC RF185C All versions > V1.1 and < V1.3.2 -
SiemensSIMATIC RF186C All versions > V1.1 and < V1.3.2 -
SiemensSIMATIC RF186CI All versions > V1.1 and < V1.3.2 -
SiemensSIMATIC RF188C All versions > V1.1 and < V1.3.2 -
SiemensSIMATIC RF188CI All versions > V1.1 and < V1.3.2 -
SiemensSIMATIC RF360R All versions < V2.0 -
SiemensSIMATIC Reader RF610R CMIIT All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF610R ETSI All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF610R FCC All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF615R CMIIT All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF615R ETSI All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF615R FCC All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF650R ARIB All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF650R CMIIT All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF650R ETSI All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF650R FCC All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF680R ARIB All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF680R CMIIT All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF680R ETSI All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF680R FCC All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF685R ARIB All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF685R CMIIT All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF685R ETSI All versions > V3.0 < V4.0 -
SiemensSIMATIC Reader RF685R FCC All versions > V3.0 < V4.0 -
II. Public POCs for CVE-2021-31340
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III. Intelligence Information for CVE-2021-31340
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IV. Related Vulnerabilities
Same vendor: Siemens
Same weakness: CWE-400
V. Comments for CVE-2021-31340

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