CVE-2021-47663

HIGH EPSS 29.2%
Published Apr 24, 20251y ago · Modified Jun 17, 20262w ago
8.1 CVSS 3.1
High
Find Similar
Published Apr 24, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.1
Exploitability
2.2
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
29.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-613

References 1

  • sciencedirect.com https://www.sciencedirect.com/science/article/pii/S2351978921001657

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.