How severe is CVE-2013-3957?

CVE-2013-3957 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-3957 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-3957?

CVE-2013-3957 primarily affects Siemens Simatic Pcs7. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-3957?

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-2013-3957 published?

CVE-2013-3957 was published on 2013-06-14 and last updated on 2026-06-16.

CVE-2013-3957

CVE-2013-3957 is a high-severity vulnerability in Siemens Simatic Pcs7 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-89.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Siemens Simatic Pcs7
Published: 2013-06-14
Last modified: 2026-06-16

Description

SQL injection vulnerability in the login screen in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, allows remote attackers to execute arbitrary SQL commands via unspecified vectors.

Frequently asked questions

What is CVE-2013-3957?: SQL injection vulnerability in the login screen in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
How severe is CVE-2013-3957?: CVE-2013-3957 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-3957 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-3957?: CVE-2013-3957 primarily affects Siemens Simatic Pcs7. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-3957?: 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-2013-3957 published?: CVE-2013-3957 was published on 2013-06-14 and last updated on 2026-06-16.

References

http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345843.pdf

Affected products (9)

cpe:2.3:a:siemens:simatic_pcs7:*:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs7:8.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*

More vulnerabilities in Siemens Simatic Pcs7

CVE-2014-8551 — Critical (CVSS 10.0): The WinCC server in Siemens SIMATIC WinCC 7.0 through SP3, 7.2 before Update 9, and 7.3 before Update 2; SIMATIC PCS 7…
CVE-2017-12069 — High (CVSS 8.2): An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before 2017-03-21 and Local Discovery…
CVE-2013-3958 — High (CVSS 7.5): The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and…
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…
CVE-2014-4686 — Medium (CVSS 6.8): The Project administration application in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products, has a…

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