# CVE-2020-7544: Privilege escalation in EcoStruxureª Operator Terminal Expert runtime (Vijeo XD)

> Attackers can escalate privileges on workstations by interacting with a driver installed by EcoStruxure Operator Terminal Expert runtime.

- **Severity:** High 7.8 (`CVSS:3.1/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 Nov 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-6p79-8657-j6hj

## What is CVE-2020-7544?

CVE-2020-7544 is a high-severity vulnerability in EcoStruxureª Operator Terminal Expert runtime (Vijeo XD), published on 19 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A CWE-269 Improper Privilege Management vulnerability exists in EcoStruxureª Operator Terminal Expert runtime (Vijeo XD) that could cause privilege escalation on the workstation when interacting directly with a driver installed by the runtime software of EcoStruxureª Operator Terminal Expert.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2020-7544?

It affects 1 product.


Products: Schneider-Electric Operator Terminal Expert Runtime.

## How do I fix CVE-2020-7544?

No fix has been published for CVE-2020-7544 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-7544 being exploited?

There is no known exploitation of CVE-2020-7544 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-7544 and fix it if it is affected.

What it is: CVE-2020-7544 is a high-severity vulnerability in EcoStruxureª Operator Terminal Expert runtime (Vijeo XD), published on 19 Nov 2020. 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-2020-7544 in the wild and no public exploit code.

Affected product: EcoStruxureª Operator Terminal Expert runtime (Vijeo XD). 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-2020-7544/ (Markdown: https://insights.sbomify.com/CVE-2020-7544/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-7544
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-7544
- OSV: https://osv.dev/vulnerability/CVE-2020-7544

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-7544/
Summaries are generated and may contain mistakes; the official description above is the record.