Buffer Overflow Vulnerability in LOGO! 8 BM by Siemens
CVE-2020-7593

9.8CRITICAL

Key Information:

Vendor

Siemens
Status
Logo! 8 Bm (incl. Siplus Variants)
Vendor
CVE Published:
14 July 2020

What is CVE-2020-7593?

A buffer overflow vulnerability has been discovered in the Web Server functionality of Siemens LOGO! 8 BM, including SIPLUS variants. This issue affects multiple versions, specifically V1.81.01 to V1.81.03, V1.82.01, and V1.82.02. A remote unauthenticated attacker can exploit this vulnerability by crafting and sending a specially designed HTTP request, leading to memory corruption. This could potentially allow the attacker to execute arbitrary code on the affected device.

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Deploy the Patch

Affected Version(s)

LOGO! 8 BM (incl. SIPLUS variants) V1.81.01 - V1.81.03

LOGO! 8 BM (incl. SIPLUS variants) V1.82.01

LOGO! 8 BM (incl. SIPLUS variants) V1.82.02

References

https://cert-portal.siemens.com/productcert/pdf/ssa-57375...
x_refsource_MISC
https://www.talosintelligence.com/vulnerability_reports/T...
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EPSS Score

17% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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