An Incorrect Default Permissions issue was discovered in Schneider Electric Wonderware InduSoft Web Studio v8.0 Patch 3 and prior versions.

published 2017-05-19 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16938

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits: 0; none known

An Incorrect Default Permissions issue was discovered in Schneider Electric Wonderware InduSoft Web Studio v8.0 Patch 3 and prior versions. Upon installation, Wonderware InduSoft Web Studio creates a new directory and two files, which are placed in the system's path and can be manipulated by non-administrators. This could allow an authenticated user to escalate his or her privileges.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-138-02 updated 2017-05-18 cvss 7.3

Schneider Electric Wonderware InduSoft Web Studio

Schneider Electric Software, LLC Wonderware InduSoft Web Studio <= 8.0 Patch 3
affected: vendor fix, mitigation “For more information, users of affected products can read Schneider Electric's Security Notification”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

n/a Schneider Electric Wonderware InduSoft Web Studio

Classification

Weakness

CWE-276 Incorrect Default Permissions

References

download.schneider-electric.com /files?p_Doc_Ref=SEVD-2017-090-02
vendor-advisory
ics-cert.us-cert.gov /advisories/ICSA-17-138-02
third-party-advisory, us-government-resource
securityfocus.com /bid/98544
vdb-entry, third-party-advisory

Sources

CVE List CVE-2017-7968
NVD CVE-2017-7968

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary