CVE-2020-36533

Klapp App JSON Web Token improper authentication

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Published Jun 3, 2022 CVSS 3.1 · 3.7 Low EPSS 1.5% KEV · Not listed

Description

A vulnerability was found in Klapp App and classified as problematic. This issue affects some unknown processing of the JSON Web Token Handler. The manipulation leads to weak authentication. The attack may be initiated remotely.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Klapp

App

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:klapp:app:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-24010	A vulnerability was found in Klapp App and classified as problematic. This issue affects some unknown processing of the JSON Web Token Handler. The manipulation leads to weak authentication. The attack may be initiated remotely.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.5% (1.507% probability within 30 days)

Exploitation poc

Automatable no

Technical Impact partial

References

Link	Providers
https://vuldb.com/?id.160763
https://www.modzero.com/modlog/archives/2020/09/07/knapp_daneben_ist_auch_vorbei/index.html

History

Apr 15, 2025 3:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Klapp App

Weaknesses

CWE-287

Sources

CVE record Updated: Apr 15, 2025, 2:35 PM

Status: PUBLISHED
Assigner: VulDB
Published: Jun 3, 2022, 7:10 PM
Updated: Apr 15, 2025, 2:35 PM
Reserved: Jun 3, 2022, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 5:30 PM

Updated: Aug 4, 2024, 5:30 PM

NVD Updated: Jun 17, 2026, 3:15 AM

Status: Modified
Published: Jun 7, 2022, 6:15 PM
Modified: Jun 17, 2026, 3:15 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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