CVE-2020-36533

LOWNVD 3.79.8▲Elevated

3.7

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.

CVSS v3: 3.7
EG Score: 9.8(medium)
EPSS: 71.9%
KEV: Not listed

Published

June 7, 2022

Last Modified

November 21, 2024

References (4)

cna@vuldbhttps://vuldb.com/?id.160763
cna@vuldbhttps://www.modzero.com/modlog/archives/2020/09/07/knapp_daneben_ist_auch_vorbei/index.html
af854a3a-2127-422b-91ae-364da2661108https://vuldb.com/?id.160763
af854a3a-2127-422b-91ae-364da2661108https://www.modzero.com/modlog/archives/2020/09/07/knapp_daneben_ist_auch_vorbei/index.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:45 UTCepss_batch
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Frequently asked(5)

What is CVE-2020-36533?

CVE-2020-36533 is a low vulnerability published on June 7, 2022. 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.

When was CVE-2020-36533 disclosed?

CVE-2020-36533 was first published in the National Vulnerability Database on June 7, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-36533 actively exploited?

CVE-2020-36533 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-36533?

CVE-2020-36533 has a CVSS v3 base score of 3.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.

How do I remediate CVE-2020-36533?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-36533, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2020-36533

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-36533?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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