How severe is CVE-2012-3020?

CVE-2012-3020 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2012-3020 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3020?

CVE-2012-3020 primarily affects Siemens Synco Ozw Web Server. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3020?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-3020 published?

CVE-2012-3020 was published on 2012-08-06 and last updated on 2026-06-16.

CVE-2012-3020

CVE-2012-3020 is a high-severity vulnerability in Siemens Synco Ozw Web Server with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-255.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Siemens Synco Ozw Web Server
Published: 2012-08-06
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2012-3020?: 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.
How severe is CVE-2012-3020?: CVE-2012-3020 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2012-3020 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3020?: CVE-2012-3020 primarily affects Siemens Synco Ozw Web Server. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3020?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-3020 published?: CVE-2012-3020 was published on 2012-08-06 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:h:siemens:synco_ozw_web_server:ozw672.01:*:*:*:*:*:*:*
cpe:2.3:h:siemens:synco_ozw_web_server:ozw672.04:*:*:*:*:*:*:*
cpe:2.3:h:siemens:synco_ozw_web_server:ozw672.16:*:*:*:*:*:*:*
cpe:2.3:h:siemens:synco_ozw_web_server:ozw772.01:*:*:*:*:*:*:*
cpe:2.3:h:siemens:synco_ozw_web_server:ozw772.04:*:*:*:*:*:*:*
cpe:2.3:h:siemens:synco_ozw_web_server:ozw772.16:*:*:*:*:*:*:*
cpe:2.3:h:siemens:synco_ozw_web_server:ozw772.250:*:*:*:*:*:*:*
cpe:2.3:h:siemens:synco_ozw_web_server:ozw775:*:*:*:*:*:*:*
cpe:2.3:o:siemens:synco_ozw_web_server_firmware:*:*:*:*:*:*:*:*

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