# CVE-2017-7968: Privilege escalation in Schneider Electric Wonderware InduSoft Web Studio

> An authenticated user can escalate privileges due to incorrect default permissions on installation files in Schneider Electric Wonderware InduSoft Web Studio.

- **Severity:** High 7.8 (`CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 May 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-366x-vf96-q5vp

## What is CVE-2017-7968?

CVE-2017-7968 is a high-severity vulnerability in Schneider Electric Wonderware InduSoft Web Studio, published on 19 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

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.

Weakness: CWE-276 (Incorrect Default Permissions)

## Which versions are affected by CVE-2017-7968?

It affects 1 product.


Products: Schneider-Electric Wonderware Indusoft Web Studio.

## How do I fix CVE-2017-7968?

No fix has been published for CVE-2017-7968 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-7968 being exploited?

There is no known exploitation of CVE-2017-7968 in the wild and no public exploit code.

## Other vulnerabilities in Schneider Electric Wonderware InduSoft Web Studio

- [CVE-2017-14024](https://insights.sbomify.com/CVE-2017-14024/): Memory corruption in Schneider Electric InduSoft Web Studio and InTouch Machine Edition (critical 9.8)
- [CVE-2017-13997](https://insights.sbomify.com/CVE-2017-13997/): Auth bypass in Schneider Electric InduSoft Web Studio, InTouch Machine Edition (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-7968 and fix it if it is affected.

What it is: CVE-2017-7968 is a high-severity vulnerability in Schneider Electric Wonderware InduSoft Web Studio, published on 19 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-7968 in the wild and no public exploit code.

Affected product: Schneider Electric Wonderware InduSoft Web Studio. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2017-7968/ (Markdown: https://insights.sbomify.com/CVE-2017-7968/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-7968
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-7968
- OSV: https://osv.dev/vulnerability/CVE-2017-7968

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-7968/
Summaries are generated and may contain mistakes; the official description above is the record.