Buffer Overflow Vulnerability in SIMATIC PCS 7 and Related Siemens Products
CVE-2020-7586

7.8HIGH

Key Information:

Vendor

Siemens
Status
Simatic Pcs 7 V8.2 And Earlier
Simatic Pcs 7 V9.0
Simatic Pdm
Simatic Step 7 V5.x
Vendor
CVE Published:
10 June 2020

What is CVE-2020-7586?

A buffer overflow vulnerability exists in multiple versions of the SIMATIC PCS 7, SIMATIC PDM, SIMATIC STEP 7, and SINAMICS STARTER products by Siemens. This flaw potentially allows a local attacker to induce a Denial-of-Service condition, harming the system's availability. Exploitation necessitates local access and user privileges without requiring further user interaction. The implications of such an attack could result in not only unavailability but also unauthorized access to confidential information on the compromised system.

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Affected Version(s)

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

References

https://cert-portal.siemens.com/productcert/pdf/ssa-68994...
x_refsource_MISC
https://www.us-cert.gov/ics/advisories/icsa-20-161-05
x_refsource_MISC
https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05
x_refsource_CONFIRM

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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