CVE-2012-3015

mediumpriority · track · 28EPSS 0.005 · 39 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.45% (39th) EPSS

CVSS 6.9 · medium

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

Untrusted search path vulnerability in Siemens SIMATIC STEP7 before 5.5 SP1, as used in SIMATIC PCS7 7.1 SP3 and earlier and other products, allows local users to gain privileges via a Trojan horse DLL in a STEP7 project folder.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationSIMATIC PCS 7cisa_csaf_ot
Siemens has provided the STEP 7 software update V5.5 SP1 (equivalent to V5.5.1) that resolves the vulnerability, but recommends that the latest Service Pack, V5.5 SP2,Service Pack 2 for STEP 7 V5.5 and STEP 7 Professional 2010, (http://support.automation.siemens.com/WW/view/en/57026339). be installed as soon as possible. SIMATIC PCS 7 users should also apply this update.
http://support.automation.siemens.com/WW/view/en/57026339
MitigationSIMATIC STEP 7cisa_csaf_ot
Siemens has provided the STEP 7 software update V5.5 SP1 (equivalent to V5.5.1) that resolves the vulnerability, but recommends that the latest Service Pack, V5.5 SP2,Service Pack 2 for STEP 7 V5.5 and STEP 7 Professional 2010, (http://support.automation.siemens.com/WW/view/en/57026339). be installed as soon as possible. SIMATIC PCS 7 users should also apply this update.
http://support.automation.siemens.com/WW/view/en/57026339

cvss

Technical severity, 0–10. One row per scoring source.

6.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 10

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Csecondary · CISA US

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-114US

affected products (7)

Products and version ranges known to be affected.

Siemens SIMATIC PCS 7: <=V7.1_SP3all versionscisa_csaf_otUS
Siemens SIMATIC STEP 7: <V5.5_Service_Pack_1_V5.5.1_equivalentall versionscisa_csaf_otUS
Siemens SIMATIC PCS 7≤ V7.1_SP3cisa_csaf_otUS
Siemens SIMATIC STEP 7< V5.5_Service_Pack_1_V5.5.1_equivalentcisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
siemens simatic pcs7≤ 7.1nvdUScpe:2.3:a:siemens:simatic_pcs7:*:*:*:*:*:*:*:*
siemens simatic step 7≤ 5.5nvdUScpe:2.3:a:siemens:simatic_step_7:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-12-205-02Siemens SIMATIC STEP 7 DLL Vulnerability2012-04-26icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2012-07-26modified 2026-06-16

references (8)

External citations — patches, advisories, analysis.

scry

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