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.

Published: 2012-09-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-3034 is rated Moderate Risk (46.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.16%). EPSS rose +1.64% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-3034

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.52% 2.16% +1.64%
2 2025-04-27 1.19% 0.52% -0.67%
3 2025-03-30 — 1.19% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-3034

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-3034

Affected software / configurations for CVE-2012-3034

Vendor Product Version Raw CPE
siemens simatic_pcs7 8.0 cpe:2.3:a:siemens:simatic_pcs7:8.0:*:*:*:*:*:*:*
siemens wincc <= 7.0 cpe:2.3:a:siemens:wincc:*:sp3:*:*:*:*:*:*
siemens wincc 5.0 cpe:2.3:a:siemens:wincc:5.0:*:*:*:*:*:*:*
siemens wincc 5.0 cpe:2.3:a:siemens:wincc:5.0:sp1:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:*:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:sp2:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:sp3:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:sp4:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:*:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:sp1:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:sp2:*:*:*:*:*:*

References for CVE-2012-3034

cvelogic Threat Intelligence