Auth bypass in Siemens Ozw672
CVE-2017-6872
A vulnerability was discovered in Siemens OZW672 (all versions) and OZW772 (all versions) that could allow an attacker with access to port 21/tcp to access or alter historical measurement data stored on the device.
Vulnerability class: Broken Authentication
EPSS: 0.008 (50.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Siemens Ozw672
- Siemens Ozw672_firmware
- Siemens Ozw772
- Siemens Ozw772_firmware
- N/a Ozw672, Ozw772 — versions OZW672, OZW772
Weakness classification (CWE)
References
- productcert@siemens.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- productcert@siemens.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6872?
- CVE-2017-6872 is a medium-severity vulnerability in Siemens Ozw672, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2017-08-08.
- How severe is CVE-2017-6872?
- Medium severity. CVSS v3 base score is 6.5 out of 10.