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CVE-2020-7586

Quick assessment

Affected
Siemens SIMATIC PCS 7 V8.2 and earlier
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 SIMATIC PCS 7是德国西门子（Siemens）公司的一套过程控制系统。 多款Siemens产品中存在缓冲区错误漏洞。本地攻击者可利用该漏洞导致拒绝服务。以下产品及版本受到影响：Siemens SIMATIC PCS 7 V8.2及之前版本，SIMATIC PCS 7 V9.0 SP3之前的V9.0版本；SIMATIC PDM（所有版本）；SIMATIC STEP 7 5.6 SP2 HF3之前的v5.X版本；SINAMICS STARTER（包含STEP 7 OEM版本）5.4

AI Predicted 5.5 Difficulty: Easy EPSS 0.40% · P33
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I. Basic Information for CVE-2020-7586

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). A buffer overflow vulnerability could allow a local attacker to cause a Denial-of-Service situation. The security vulnerability could be exploited by an attacker with local access to the affected systems. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise the availability of the system as well as to have access to confidential information.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
多款Siemens产品缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC PCS 7是德国西门子（Siemens）公司的一套过程控制系统。 多款Siemens产品中存在缓冲区错误漏洞。本地攻击者可利用该漏洞导致拒绝服务。以下产品及版本受到影响：Siemens SIMATIC PCS 7 V8.2及之前版本，SIMATIC PCS 7 V9.0 SP3之前的V9.0版本；SIMATIC PDM（所有版本）；SIMATIC STEP 7 5.6 SP2 HF3之前的v5.X版本；SINAMICS STARTER（包含STEP 7 OEM版本）5.4
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 SIMATIC PCS 7 V8.2 and earlier All versions -
Siemens SIMATIC PCS 7 V9.0 All versions < V9.0 SP3 -
Siemens SIMATIC PDM All versions < V9.2 -
Siemens SIMATIC STEP 7 V5.X All versions < V5.6 SP2 HF3 -
Siemens SINAMICS STARTER (containing STEP 7 OEM version) All versions < V5.4 HF2 -

II. Public POCs for CVE-2020-7586

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III. Intelligence Information for CVE-2020-7586

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Vendor Advisories for CVE-2020-7586 (3)

Same Patch Batch · Siemens · 2020-06-10 · 4 CVEs total

CVE-2020-7580 Siemens多款产品代码问题漏洞
CVE-2020-7585 多款Siemens SIMATIC 产品代码问题漏洞
CVE-2020-7589 Siemens LOGO!8 BM 访问控制错误漏洞

IV. Related Vulnerabilities

Same product: SIMATIC PCS 7 V8.2 and earlier
Same vendor: Siemens
Same weakness: CWE-122

V. Comments for CVE-2020-7586

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