CVE-2020-7589
mediumpriority · track · 37OT risk · elevatedEPSS 0.020 · 81 %ileEURUUSEPSS · scored 2026-10-28
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions). The vulnerability could lead to an attacker reading and modifying the device configuration and obtain project files from affected devices. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 135/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationLOGO! 8 BM (incl.'SIPLUS variants)cisa_csaf_ot
Apply Defense-in-Depth concept, including protection concept outlined in the system manual.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.4–9.4
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-20-161-03Siemens LOGO! (Update A)2020-06-09icsa · cisa_csaf_otUS
As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- http://www.nsfocus.net/vulndb/47158cnnvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-817401.pdfcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-7589cnnvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1026cnnvd
- https://us-cert.cisa.gov/ics/advisories/icsa-20-161-03cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2014/cnnvd
- https://www.us-cert.gov/ics/advisories/icsa-20-161-03cnnvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-817401.pdfenisa_euvd
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