# CVE-2020-15797: Privilege escalation in DCA Vantage Analyzer

> An unauthenticated attacker with physical access can escape kiosk mode to access the underlying operating system, requiring an upgrade to V4.5.

- **Severity:** Medium 6.8 (`CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Oct 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-jw78-mrpv-375c

## What is CVE-2020-15797?

CVE-2020-15797 is a medium-severity vulnerability in Siemens DCA Vantage Analyzer, published on 13 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability has been identified in DCA Vantage Analyzer (All versions < V4.5 are affected by CVE-2020-7590. In addition, serial numbers < 40000 running software V4.4.0 are also affected by CVE-2020-15797). Improper Access Control could allow an unauthenticated attacker to escape from the restricted environment (“kiosk mode”) and access the underlying operating system. Successful exploitation requires direct physical access to the system.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2020-15797?

It affects 1 product.


Products: Siemens Dca Vantage Analyzer Firmware.

## How do I fix CVE-2020-15797?

No fix has been published for CVE-2020-15797 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-15797 being exploited?

There is no known exploitation of CVE-2020-15797 in the wild and no public exploit code.

## Other vulnerabilities in Siemens DCA Vantage Analyzer

- [CVE-2020-7590](https://insights.sbomify.com/CVE-2020-7590/): Hardcoded credentials in DCA Vantage Analyzer (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-15797 and fix it if it is affected.

What it is: CVE-2020-15797 is a medium-severity vulnerability in Siemens DCA Vantage Analyzer, published on 13 Oct 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-2020-15797 in the wild and no public exploit code.

Affected product: Siemens DCA Vantage Analyzer. 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-2020-15797/ (Markdown: https://insights.sbomify.com/CVE-2020-15797/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-15797
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-15797
- OSV: https://osv.dev/vulnerability/CVE-2020-15797

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-15797/
Summaries are generated and may contain mistakes; the official description above is the record.