CVE-2021-47663CWE-613

Improper session handling

High · published April 24, 2025

CVSS v3.1
8.1
EPSS
0%
Percentile
38.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00458 · 38.7th percentile
Weakness
CWE-613 · Insufficient Session Expiration
Published
2025-04-24T09:25Z
EPSS history
Timeline
  • 24 APR 09:25Z
    Improper session handling
    cvelistv5