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TI-2019-08142 Aliases CVE-2019-10921GHSA-m7mv-qphm-p8rq

Insufficiently protected credentials in Siemens LOGO! 8 BM

Priority LOW 38CWE-256Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-256.

Summary

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Unencrypted storage of passwords in the project could allow an attacker with access to port 10005/tcp to obtain passwords of the device. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality of the device. At the time of advisory publication no public exploitation of this security vulnerability was known

Why it matters now

EPSS 0.02447 84th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix Fixed LOGO! 8 BM (incl. SIPLUS variants) (Siemens): V8.3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensLOGO! 8 BM (incl. SIPLUS variants)before V8.3V8.3Patch availableCNA
  • LOGO! 8 BM (incl. SIPLUS variants) VendorSiemens Affected before V8.3 Fixed in V8.3 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:siemens:logo\!8_bm_firmware:*:*:*:*:*:*:*:*before 8.3VulnerableSiemens
cpe:2.3:h:siemens:logo\!8_bm:*:*:*:*:*:*:*:*all versionsRunning onSiemens
  • cpe:2.3:o:siemens:logo\!8_bm_firmware:*:*:*:*:*:*:*:* Versions before 8.3 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:logo\!8_bm:*:*:*:*:*:*:*:* Versions all versions Running on ·Siemens

Remediation

  • Fix · CNA LOGO! 8 BM (incl. SIPLUS variants) (Siemens) Fixed in V8.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-10921
  2. 2026-10-03 Alias added: GHSA-m7mv-qphm-p8rq

References

  • TI-2019-08140 Missing authentication in Siemens LOGO! 8 BM CVSS 3.1CRITICAL 9.4
  • TI-2019-08141 Hard-coded credentials in Siemens LOGO! 8 BM CVSS 3.1HIGH 7.5

Sources