CVE-2020-7593

Name: CVE-2020-7593
Creator: NVD / NIST
Published: 2020-07-14T14:15:19.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 9.07%

Last modified Jun 17, 2026

CVE-2020-7593 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03), LOGO! 8 BM (incl. EPSS estimates a 9.07% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in 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). A buffer overflow vulnerability exists in the Web Server functionality of the device. A remote unauthenticated attacker could send a specially crafted HTTP request to cause a memory corruption, potentially resulting in remote code execution.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

9.07%

94.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Logo\! 8 Bm Firmware	>= 1.81.01, <= 1.81.03
Siemens	Logo\! 8 Bm Firmware	1.82.01
Siemens	Logo\! 8 Bm Firmware	1.82.02

References

https://cert-portal.siemens.com/productcert/pdf/ssa-573753.pdfVendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1069Exploit, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-573753.pdfVendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1069Exploit, Third Party Advisory

Timeline

Published: Jul 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7593?

How severe is CVE-2020-7593?

CVE-2020-7593 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 9.07% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7593?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7593?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST