How severe is CVE-2014-8552?

CVE-2014-8552 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-8552 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8552?

CVE-2014-8552 primarily affects Siemens Simatic Pcs 7. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-8552?

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

When was CVE-2014-8552 published?

CVE-2014-8552 was published on 2014-11-26 and last updated on 2026-06-17.

CVE-2014-8552

CVE-2014-8552 is a medium-severity vulnerability in Siemens Simatic Pcs 7 with a CVSS 2.0 base score of 5.0. 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 5.0)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Siemens Simatic Pcs 7
Published: 2014-11-26
Last modified: 2026-06-17

Description

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 7.1 through SP4, 8.0 through SP2, and 8.1; and TIA Portal 13 before Update 6 allows remote attackers to read arbitrary files via crafted packets.

Frequently asked questions

What is CVE-2014-8552?: 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 7.1 through SP4, 8.0 through SP2, and 8.1; and TIA Portal 13 before Update 6 allows remote attackers to read arbitrary files via crafted packets.
How severe is CVE-2014-8552?: CVE-2014-8552 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-8552 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8552?: CVE-2014-8552 primarily affects Siemens Simatic Pcs 7. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-8552?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-8552 published?: CVE-2014-8552 was published on 2014-11-26 and last updated on 2026-06-17.

References

http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-134508.pdf

Affected products (22)

cpe:2.3:a:siemens:simatic_pcs_7:7.1:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs7:7.1:sp3:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs7:7.1:sp4:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs7:8.0:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs7:8.0:sp2:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs7:8.1:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_tiaportal:13.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_tiaportal:13.0:3:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_tiaportal:13.0:5:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.0:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.0:sp2:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.0:sp3:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.2:1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.2:2:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.2:3:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.2:4:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.2:5:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.2:6:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.2:7:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.2:8:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.3:1:*:*:*:*:*:*

More vulnerabilities in Siemens Simatic Pcs 7

CVE-2023-25910 — Critical (CVSS 10.0): A vulnerability has been identified in SIMATIC PCS 7 (All versions < V9.1 SP2 UC04), SIMATIC S7-PM (All versions < V5.7…
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-2021-40358 — Critical (CVSS 9.9): A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3…
CVE-2019-10922 — Critical (CVSS 9.8): A vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions), SIMATIC PCS 7 V8.1 and newer (All…
CVE-2021-40360 — High (CVSS 8.8): A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC…
CVE-2019-10918 — High (CVSS 8.8): A vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions), SIMATIC PCS 7 V8.1 (All versions…

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