# CVE-2020-36532: Klapp App Authorization Credentials information disclosure

> Remote attackers can disclose authorization credentials from the Klapp App, requiring users to upgrade the application.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Jun 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-g3c8-q8w8-frx9

## What is CVE-2020-36532?

CVE-2020-36532 is a medium-severity vulnerability in Klapp App, published on 3 Jun 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been found in Klapp App and classified as problematic. This vulnerability affects unknown code of the component Authorization. The manipulation leads to information disclosure (Credentials). The attack can be initiated remotely. It is recommended to upgrade the affected app.

Weakness: CWE-668 (Exposure of Resource to Wrong Sphere), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2020-36532?

It affects 1 product.


Products: Klapp App.

## How do I fix CVE-2020-36532?

No fix has been published for CVE-2020-36532 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36532 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36532 exists.

## Other vulnerabilities in Klapp App

- [CVE-2020-36533](https://insights.sbomify.com/CVE-2020-36533/): Klapp App JSON Web Token improper authentication (low 3.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36532 and fix it if it is affected.

What it is: CVE-2020-36532 is a medium-severity vulnerability in Klapp App, published on 3 Jun 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36532 exists.

Affected product: Klapp App. 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-2020-36532/ (Markdown: https://insights.sbomify.com/CVE-2020-36532/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36532
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36532
- OSV: https://osv.dev/vulnerability/CVE-2020-36532

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-36532/
Summaries are generated and may contain mistakes; the official description above is the record.