CVE-2020-36533
Klapp App JSON Web Token improper authentication
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Klapp App JSON Web Token improper authentication
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.
- Record
CVE-2020-36533- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-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.
- Record
EUVD-2020-24010- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-77mh-9xg9-p4r9
A vulnerability was found in Klapp App and classified as problematic. This issue affects some...
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.
- Record
GHSA-77mh-9xg9-p4r9- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-36533- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-36533 is a low vulnerability (CVSS 3.7) in Klapp App, published June 3, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.51%, the 74th percentile. No source names a fixed version.