How severe is CVE-2014-4683?

CVE-2014-4683 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2014-4683 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-4683?

CVE-2014-4683 primarily affects Siemens Simatic Pcs7. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-4683?

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

When was CVE-2014-4683 published?

CVE-2014-4683 was published on 2014-07-24 and last updated on 2026-06-17.

CVE-2014-4683

CVE-2014-4683 is a medium-severity vulnerability in Siemens Simatic Pcs7 with a CVSS 2.0 base score of 4.9. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Siemens Simatic Pcs7
Published: 2014-07-24
Last modified: 2026-06-17

Description

The WebNavigator server in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products, allows remote authenticated users to gain privileges via a (1) HTTP or (2) HTTPS request.

Frequently asked questions

What is CVE-2014-4683?: The WebNavigator server in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products, allows remote authenticated users to gain privileges via a (1) HTTP or (2) HTTPS request.
How severe is CVE-2014-4683?: CVE-2014-4683 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2014-4683 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4683?: CVE-2014-4683 primarily affects Siemens Simatic Pcs7. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-4683?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-4683 published?: CVE-2014-4683 was published on 2014-07-24 and last updated on 2026-06-17.

References

http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-214365.pdf

Affected products (16)

cpe:2.3:a:siemens:simatic_pcs7:*:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs7:7.1:sp3:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs7:8.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:7.0:sp3:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:7.1:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:7.1:sp1:*:*:*:*:*:*

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CVE-2012-3032 — High (CVSS 7.5): SQL injection vulnerability in WebNavigator in Siemens WinCC 7.0 SP3 and earlier, as used in SIMATIC PCS7 and other…
CVE-2012-3015 — Medium (CVSS 6.9): Untrusted search path vulnerability in Siemens SIMATIC STEP7 before 5.5 SP1, as used in SIMATIC PCS7 7.1 SP3 and…

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