Missing authentication in OZW672, OZW772
Priority LOW 34CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
A vulnerability was discovered in Siemens OZW672 (all versions) and OZW772 (all versions) that could allow an attacker to read and manipulate data in TLS sessions while performing a man-in-the-middle (MITM) attack on the integrated web server on port 443/tcp.
Why it matters now
EPSS 0.01031 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | OZW672, OZW772 | OZW672, OZW772 | — | No fix listed | CNA |
- OZW672, OZW772 Vendor— Affected OZW672, OZW772 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:ozw772_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:ozw772:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:ozw672_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:ozw672:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:ozw772_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:ozw772:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:ozw672_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:ozw672:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-6873
- 2026-10-03 Alias added: GHSA-c29x-q9mw-w4j4
References
More Siemens Ozw672 Firmware vulnerabilities
- TI-2025-19348 OS command injection in Siemens OZW672 CVSS 4.0CRITICAL 10.0
- TI-2025-19349 SQL injection in Siemens OZW672 CVSS 4.0CRITICAL 9.3
- TI-2024-23964 Cross-site scripting in Siemens OZW672 CVSS 4.0HIGH 8.2
- TI-2019-10394 A vulnerability has been identified in OZW672 (All versions < V10.00), OZW772 (All… CVSS 3.1HIGH 7.5
- TI-2017-04609 Missing authentication in OZW672, OZW772 CVSS 3.0MEDIUM 6.5
- TI-2016-01375 Cross-site scripting (XSS) vulnerability in the login form in the integrated web server… CVSS 3.0MEDIUM 6.1
Sources
- CVE-2017-6873 · CVE Program
- CVE-2017-6873 · NVD
- FIRST EPSS
- GHSA-c29x-q9mw-w4j4 · GitHub Advisory Database · CC BY 4.0
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