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Fencer Intel
high 7.5

CVE-2012-3020 json

The Siemens Synco OZW Web Server devices OZW672.*, OZW772.*, and OZW775 with firmware before 4 have an unspecified default password, which…

published 2012-08-06 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-2998

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

The Siemens Synco OZW Web Server devices OZW672.*, OZW772.*, and OZW775 with firmware before 4 have an unspecified default password, which makes it easier for remote attackers to obtain administrative access via a network session.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-12-214-01 updated cvss 9.0

Siemens Synco OZW Default Password

  • Siemens Synco models OZW775, OZW672.01, OZW672.04, OZW672.16, OZW772.01, OZW772.04, OZW772.16, OZW772.250
    affected: mitigation cert-portal.siemens.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-255 Credentials Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.