Insufficiently protected credentials in Siemens LOGO! 8 BM
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
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | LOGO! 8 BM (incl. SIPLUS variants) | before V8.3 | V8.3 | Patch available | CNA |
- LOGO! 8 BM (incl. SIPLUS variants) VendorSiemens Affected before V8.3 Fixed in V8.3 Patch available CNA
Remediation
- Fix · CNA LOGO! 8 BM (incl. SIPLUS variants) (Siemens) Fixed in V8.3
Timeline
- 2026-10-02 Threatist record created from CVE-2019-10921
- 2026-10-03 Alias added: GHSA-m7mv-qphm-p8rq
References
Exploit 3
More Siemens Logo!8 Bm Firmware vulnerabilities
- 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
- CVE-2019-10921 · CVE Program
- CVE-2019-10921 · NVD
- FIRST EPSS
- GHSA-m7mv-qphm-p8rq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences