CVE-2021-25927

Prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code…

Critical · published April 26, 2021

CVSS v3.1
9.8
EPSS
3%
Percentile
88.6
In the wild
Unconfirmed
What it is

🔥 A prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 can potentially open the door to remote code execution! Think of this vulnerability as a sneaky contractor tampering with the blueprints of a building — if they can change the design, they might just knock down load-bearing walls and cause chaos! An attacker could cause a complete denial of service, and in the worst-case scenario, they may execute arbitrary code on your system! This is absolutely devastating and could leave your applications down and vulnerable, exposing sensitive data to malicious actors.

Put simply

Think of this vulnerability as a sneaky contractor tampering with the blueprints of a building — if they can change the design, they might just knock down load-bearing walls and cause chaos! This flaw allows attackers to manipulate the prototype of an object, leading to unexpected behavior in the application. If exploited, it can escalate to remote code execution and system destabilization.

What to do

An attacker could cause a complete denial of service, and in the worst-case scenario, they may execute arbitrary code on your system! This is absolutely devastating and could leave your applications down and vulnerable, exposing sensitive data to malicious actors. Update 'safe-flat' to version 2.0.2 immediately to patch this vulnerability. Conduct a thorough audit of your application's input handling practices to mitigate similar risks in the future. Don't forget to run your security tests to ensure everything is working smoothly! You've got this! By taking these steps, you're on your way to securing your application like a pro! 🛡️

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
0.03337 · 88.6th percentile
Published
2021-04-26T10:54Z
EPSS history
Timeline
  • 26 APR 10:54Z
    Prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code…
    cvelistv5