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Case File

CVE-2020-28042

MEDIUM · CVSS 5.3 EPSS 2.33% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-11-02 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-28042
Severity
MEDIUM
CVSS
5.3
EPSS
2.33%

Original NVD Description

ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.

Related CVEs

Other vulnerabilities affecting the same vendor(s)