CVE-2020-36533 - CVE House
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Status published Low CVE-2020-36533

Klapp App JSON Web Token improper authentication

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Sven Fassbender

References

More from Klapp

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CVE-2020-36532
Klapp App Authorization Credentials information disclosure
Medium 4.3

Affected Vendor

Affected Software

App
Vulnerable Versions:
Unknown

Timeline

Official Publish: June 3rd, 2022
Last Modified: April 15th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-287

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1556 Modify Authentication Process
Credential Access