CVE-2021-4201CWE-284

Pre-authentication session hijacking

Critical · published February 14, 2022

CVSS v3.1
9.6
EPSS
2%
Percentile
80.5
In the wild
Unconfirmed
What it is

🚨 A missing access control can let attackers hijack sessions like an uninvited guest taking over a party! 🔥 Imagine a hotel where all guests have a key that opens every room without any checks. That’s exactly what’s happening here—unauthenticated attackers can stroll into sessions, potentially even admin ones, without anyone batting an eye! This vulnerability is absolutely devastating! An attacker could seize control of user sessions, gaining access to sensitive data and even admin-level controls. This means they could change settings, access confidential information, or wreak havoc without breaking a sweat!

Put simply

Imagine a hotel where all guests have a key that opens every room without any checks. That’s exactly what’s happening here—unauthenticated attackers can stroll into sessions, potentially even admin ones, without anyone batting an eye! ForgeRock Access Management versions 7.1.0 and earlier, including 6.5.x versions prior to 6.5.4, suffer from a missing access control flaw, allowing remote unauthenticated access to user sessions.

What to do

This vulnerability is absolutely devastating! An attacker could seize control of user sessions, gaining access to sensitive data and even admin-level controls. This means they could change settings, access confidential information, or wreak havoc without breaking a sweat! Immediately update to ForgeRock Access Management version 7.1.1 or 6.5.4 to close this critical gap. Ensure that all session handling is tightly monitored, and conduct a thorough security review in your environment! You've got this! Follow these steps, and you'll have your access controls secured in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01994 · 80.5th percentile
Weakness
CWE-284 · Improper Access Control
Published
2022-02-14T21:04Z
EPSS history
Timeline
  • 14 FEB 21:04Z
    Pre-authentication session hijacking
    cvelistv5