CVE-2021-27651CWE-287

In versions 8.2.1 through 8.5.2 of Pega Infinity, the password reset functionality for local accounts can be used to bypass local authentication checks

Critical · published April 29, 2021

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.0th percentile for exploit probability.

CVSS v3.0
9.8
EPSS
54%
Percentile
99.0
In the wild
Unconfirmed
What it is

🚨 A password reset can pull a fast one! In Pega Infinity versions 8.2.1 to 8.5.2, you can bypass local authentication checks with a well-timed reset! 🔥 Think of it as a hotel allowing guests to enter any room just by asking for a key, without checking if they’ve actually booked it — a recipe for disaster! An attacker could waltz right in and access any local account by exploiting this weakness — reading sensitive data, altering permissions, or even locking out legitimate users. It’s absolutely devastating for security!

Put simply

Think of it as a hotel allowing guests to enter any room just by asking for a key, without checking if they’ve actually booked it — a recipe for disaster! This vulnerability allows unauthorized users to reset passwords for local accounts without proper authentication, making it trivial to gain access to the system.

What to do

An attacker could waltz right in and access any local account by exploiting this weakness — reading sensitive data, altering permissions, or even locking out legitimate users. It’s absolutely devastating for security! Patch to version 8.5.3 or later immediately. Additionally, review your password reset processes to ensure proper verification steps are in place before granting access. Don't wait on this! You've got this! With these steps, you'll reinforce your security and keep the bad guys out! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.53841 · 99.0th percentile
Weakness
CWE-287 · Improper Authentication
Published
2021-04-29T14:47Z
EPSS history
Timeline
  • 29 APR 14:47Z
    In versions 8.2.1 through 8.5.2 of Pega Infinity, the password reset functionality for local accounts can be used to bypass local authentication checks
    cvelistv5