# CVE-2020-8976: ZGR TPS200 Cross-Site Request Forgery (CSRF)

> A remote attacker can perform actions with victim permissions via CSRF if the victim has an active session and triggers a malicious request.

- **Severity:** Critical 9.6 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 17 Oct 2022
- **Updated:** 23 Apr 2025
- **Also known as:** GHSA-6r4p-h752-6w2r

## What is CVE-2020-8976?

CVE-2020-8976 is a critical vulnerability in ZGR TPS200 NG, published on 17 Oct 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The integrated server of the ZGR TPS200 NG on its 2.00 firmware version and 1.01 hardware version, allows a remote attacker to perform actions with the permissions of a victim user. For this to happen, the victim user has to have an active session and triggers the malicious request.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2020-8976?

It affects 1 product.


Products: Zigor Zgr Tps200 Ng Firmware.

## How do I fix CVE-2020-8976?

No fix has been published for CVE-2020-8976 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-8976 being exploited?

There is no known exploitation of CVE-2020-8976 in the wild and no public exploit code.

## Other vulnerabilities in ZGR TPS200 NG

- [CVE-2020-8974](https://insights.sbomify.com/CVE-2020-8974/): ZGR TPS200 NG Missing Reference to Active Allocated Resource (critical 10.0)
- [CVE-2020-8973](https://insights.sbomify.com/CVE-2020-8973/): ZGR TPS200 NG Improper access control (critical 9.3)
- [CVE-2020-8975](https://insights.sbomify.com/CVE-2020-8975/): ZGR TPS200 NG Information Exposure (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-8976 and fix it if it is affected.

What it is: CVE-2020-8976 is a critical vulnerability in ZGR TPS200 NG, published on 17 Oct 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-8976 in the wild and no public exploit code.

Affected product: ZGR TPS200 NG. 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-2020-8976/ (Markdown: https://insights.sbomify.com/CVE-2020-8976/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-8976
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-8976
- OSV: https://osv.dev/vulnerability/CVE-2020-8976

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-8976/
Summaries are generated and may contain mistakes; the official description above is the record.