CVE-2015-1594

Untrusted search path vulnerability in Siemens SIMATIC ProSave before 13 SP1; SIMATIC CFC before 8.0 SP4 Upd9 and 8.1 before Upd1; SIMATIC STEP 7 before 5.5 SP1 HF2, 5.5 SP2 before HF7, 5.5 SP3, and 5.5 SP4 before HF4; SIMOTION Scout before 4.4; and STARTER before 4.4 HF3 allows local users to gain privileges via a Trojan horse application file.

Published: 2015-03-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-1594 is rated Low Risk (39.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.40%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2015-1594

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 0.06% 0.40% +0.35%
2 2025-05-02 0.15% 0.06% -0.10%
3 2025-03-17 — 0.15% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-1594

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.9 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.4 10.0 [email protected]

Weakness enumeration for CVE-2015-1594

NVD evaluator notes for CVE-2015-1594

Comment: <a href="http://cwe.mitre.org/data/definitions/426.html">CWE-426: Untrusted Search Path</a>

Affected software / configurations for CVE-2015-1594

Vendor Product Version Raw CPE
siemens starter <= 4.4 cpe:2.3:a:siemens:starter:*:*:*:*:*:*:*:*
siemens simatic_prosave 13.0 cpe:2.3:a:siemens:simatic_prosave:13.0:*:*:*:*:*:*:*
siemens simotion_scout <= 4.3 cpe:2.3:a:siemens:simotion_scout:*:sp1:*:*:*:*:*:*
siemens simatic_cfc <= 8.0 cpe:2.3:a:siemens:simatic_cfc:*:sp4:*:*:*:*:*:*
siemens simatic_cfc 8.1 cpe:2.3:a:siemens:simatic_cfc:8.1:*:*:*:*:*:*:*
siemens simatic_step_7 <= 5.5 cpe:2.3:a:siemens:simatic_step_7:*:sp1:*:*:*:*:*:*
siemens simatic_step_7 5.5 cpe:2.3:a:siemens:simatic_step_7:5.5:sp2:*:*:*:*:*:*
siemens simatic_step_7 5.5 cpe:2.3:a:siemens:simatic_step_7:5.5:sp3:*:*:*:*:*:*
siemens simatic_step_7 5.5 cpe:2.3:a:siemens:simatic_step_7:5.5:sp4:*:*:*:*:*:*

References for CVE-2015-1594

cvelogic Threat Intelligence