How severe is CVE-2012-3034?

CVE-2012-3034 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-3034 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3034?

CVE-2012-3034 primarily affects Siemens Simatic Pcs7. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3034?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-3034 published?

CVE-2012-3034 was published on 2012-09-18 and last updated on 2026-06-16.

CVE-2012-3034

CVE-2012-3034 is a medium-severity vulnerability in Siemens Simatic Pcs7 with a CVSS 2.0 base score of 4.3. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Siemens Simatic Pcs7
Published: 2012-09-18
Last modified: 2026-06-16

Description

WebNavigator in Siemens WinCC 7.0 SP3 and earlier, as used in SIMATIC PCS7 and other products, allows remote attackers to discover a username and password via crafted parameters to unspecified methods in ActiveX controls.

Frequently asked questions

What is CVE-2012-3034?: WebNavigator in Siemens WinCC 7.0 SP3 and earlier, as used in SIMATIC PCS7 and other products, allows remote attackers to discover a username and password via crafted parameters to unspecified methods in ActiveX controls.
How severe is CVE-2012-3034?: CVE-2012-3034 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-3034 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3034?: CVE-2012-3034 primarily affects Siemens Simatic Pcs7. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3034?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3034 published?: CVE-2012-3034 was published on 2012-09-18 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:siemens:simatic_pcs7:8.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:*:sp3:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:5.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:5.0:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:6.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:6.0:sp2:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:6.0:sp3:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:6.0:sp4:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:7.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:7.0:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:7.0:sp2:*:*:*:*:*:*

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