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CVE-2021-40368

CVSS 7.5 · High EPSS 0.44% · P63
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I. Basic Information for CVE-2021-40368

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been identified in SIMATIC S7-400 CPU 412-1 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416-2 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416F-2 DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 417-4 DP V7 (All versions), SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) (All versions < V6.0.10), SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) (All versions < V10.1), SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) (All versions < V8.2.3), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 V7 (All versions), SIPLUS S7-400 CPU 417-4 V7 (All versions). Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a Denial-of-Service condition. A restart is needed to restore normal operations.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Siemens SIMATIC S7-400 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC S7-400是德国西门子（Siemens）公司的一款用于制造和过程自动化领域的可编程逻辑控制器产品。 Siemens SIMATIC S7-400 CPU 存在缓冲区错误漏洞，该漏洞源于产品缺少对于输入的验证。攻击者利用该漏洞可以进行拒绝服务攻击。
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
Siemens SIMATIC S7-400 CPU 412-1 DP V7 All versions -
Siemens SIMATIC S7-400 CPU 412-2 DP V7 All versions -
Siemens SIMATIC S7-400 CPU 412-2 PN/DP V7 All versions < V7.0.3 -
Siemens SIMATIC S7-400 CPU 414-2 DP V7 All versions -
Siemens SIMATIC S7-400 CPU 414-3 DP V7 All versions -
Siemens SIMATIC S7-400 CPU 414-3 PN/DP V7 All versions < V7.0.3 -
Siemens SIMATIC S7-400 CPU 414F-3 PN/DP V7 All versions < V7.0.3 -
Siemens SIMATIC S7-400 CPU 416-2 DP V7 All versions -
Siemens SIMATIC S7-400 CPU 416-3 DP V7 All versions -
Siemens SIMATIC S7-400 CPU 416-3 PN/DP V7 All versions < V7.0.3 -
Siemens SIMATIC S7-400 CPU 416F-2 DP V7 All versions -
Siemens SIMATIC S7-400 CPU 416F-3 PN/DP V7 All versions < V7.0.3 -
Siemens SIMATIC S7-400 CPU 417-4 DP V7 All versions -
SiemensSIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) All versions < V6.0.10 -
SiemensSIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) All versions < V10.1 -
SiemensSIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) All versions < V8.2.3 -
SiemensSIPLUS S7-400 CPU 414-3 PN/DP V7 All versions < V7.0.3 -
SiemensSIPLUS S7-400 CPU 416-3 PN/DP V7 All versions < V7.0.3 -
SiemensSIPLUS S7-400 CPU 416-3 V7 All versions -
SiemensSIPLUS S7-400 CPU 417-4 V7 All versions -

II. Public POCs for CVE-2021-40368

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III. Intelligence Information for CVE-2021-40368

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Same Patch Batch · Siemens · 2022-04-12 · 25 CVEs total

CVE-2022-256225.3 MEDIUM多款Siemens SIMATIC产品资源管理错误漏洞
CVE-2022-26334Siemens SCALANCE安全漏洞
CVE-2022-28663Siemens Simcenter Femap 缓冲区错误漏洞
CVE-2022-28662Siemens Simcenter Femap 缓冲区错误漏洞
CVE-2022-28661Siemens Simcenter Femap 缓冲区错误漏洞
CVE-2022-28329Siemens SCALANCE输入验证错误漏洞
CVE-2022-28328Siemens SCALANCE 输入验证错误漏洞
CVE-2022-27481Siemens SCALANCE竞争条件问题漏洞
CVE-2022-27480Siemens SICAM 访问控制错误漏洞
CVE-2022-27241Siemens Mendix 信息泄露漏洞
CVE-2022-27194多款Siemens SIMATIC 产品 资源管理错误漏洞
CVE-2022-26380多款 Siemens 产品缓冲区错误漏洞
CVE-2022-26335多款 Siemens 产品安全漏洞
CVE-2022-25756多款 Siemens 产品跨站脚本漏洞
CVE-2022-25755Siemens SCALANCE 安全漏洞
CVE-2022-25754多款 Siemens 产品跨站请求伪造漏洞
CVE-2022-25753多款 Siemens 产品 缓冲区错误漏洞
CVE-2022-25752多款 Siemens 产品安全特征问题漏洞
CVE-2022-25751多款 Siemens 产品输入验证错误漏洞
CVE-2022-25650Siemens Mendix 安全漏洞

Showing top 20 of 25 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Siemens
Same weakness: CWE-119

V. Comments for CVE-2021-40368

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