CVE-2024-53356

Weak JWT Secret vulnerabilitiy in EasyVirt DCScope <= 8.6.0 and CO2Scope <= 1.3.0 allows remote attackers to generate JWT for privilege escalation

Critical · published January 31, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
51.1
In the wild
Unconfirmed
What it is

🔥 A hardcoded JWT secret in EasyVirt DCScope and CO2Scope makes privilege escalation a walk in the park for attackers! Think of the HMAC secret like a cookie recipe shared out loud in a bakery — anyone who hears it can whip up the same batch! In this case, attackers can bake their own JWTs, gaining unauthorized access with a recipe that should have been kept secret. This vulnerability is absolutely devastating! An attacker could generate valid JSON Web Tokens (JWTs) and escalate their privileges within the application, potentially accessing sensitive information or taking control of critical functions. If left unchecked, it could lead to system compromise and data breaches.

Put simply

Think of the HMAC secret like a cookie recipe shared out loud in a bakery — anyone who hears it can whip up the same batch! In this case, attackers can bake their own JWTs, gaining unauthorized access with a recipe that should have been kept secret. The vulnerability arises from a weak hardcoded HMAC secret, specifically 'somerandomaccesstoken,' which allows attackers to forge JWTs by exploiting the predictability of the secret used for token generation.

What to do

This vulnerability is absolutely devastating! An attacker could generate valid JSON Web Tokens (JWTs) and escalate their privileges within the application, potentially accessing sensitive information or taking control of critical functions. If left unchecked, it could lead to system compromise and data breaches. Immediate action is required: update EasyVirt DCScope to version 8.6.1 or CO2Scope to version 1.3.1 to eliminate the hardcoded secret. Additionally, establish a robust and unpredictable HMAC secret policy moving forward to enhance security. 🚀 You've got this! Follow these steps, and you'll fortify your defenses against this sneaky vulnerability! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00663 · 51.1th percentile
Published
2025-01-31T00:00Z
EPSS history
Timeline
  • 31 JAN 00:00Z
    Weak JWT Secret vulnerabilitiy in EasyVirt DCScope <= 8.6.0 and CO2Scope <= 1.3.0 allows remote attackers to generate JWT for privilege escalation
    cvelistv5