Auth bypass in Siemens Ozw672
CVE-2017-6873
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Siemens Ozw672
- Siemens Ozw672 Firmware
- Siemens Ozw772
- Siemens Ozw772 Firmware
- Ozw672, Ozw772 — versions OZW672, OZW772
Weakness classification (CWE)
References
- www.securityfocus.com/bid/99473 (VDB Entry, Third Party Advisory, vdb-entry)
- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-563539.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6873?
- CVE-2017-6873 is a high-severity vulnerability in Siemens Ozw672, classified under Missing Authentication for Critical Function. CVSS score: 7.4/10. Published 2017-08-08.
- How severe is CVE-2017-6873?
- High severity. CVSS v3 base score is 7.4 out of 10.