CVE-2021-47663

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

Due to improper JSON Web Tokens implementation an unauthenticated remote attacker can guess a valid session ID and therefore impersonate a user to gain full access.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 24, 2025
Last modified
Jun 17, 2026
NVD status
Deferred

Related CVEs from 2021

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CVE-2021-47663: High severity, CVSS 8.1 | Vulnix