CVE-2020-7727

Prototype Pollution

Critical · published September 1, 2020

CVSS v3.1
9.8
EPSS
2%
Percentile
79.7
In the wild
Unconfirmed
What it is

🔥 It’s a thrilling ride with CVE-2020-7727, where a single misstep in package gedi could let attackers pull off some serious Prototype Pollution magic! Think of it like a recipe book with a missing page — if the chef can edit the book without anyone noticing, they could sneak in a disastrous ingredient that ruins the entire dish! An attacker could manipulate the application’s behavior by adding malicious properties to objects, potentially leading to all sorts of chaos like data corruption or unauthorized access. This could be absolutely devastating, especially if they manage to compromise user data or system integrity!

Put simply

Think of it like a recipe book with a missing page — if the chef can edit the book without anyone noticing, they could sneak in a disastrous ingredient that ruins the entire dish! This vulnerability in gedi allows Prototype Pollution through its set function, which means attackers can modify the prototype of built-in objects and introduce dangerous changes that affect the entire application.

What to do

An attacker could manipulate the application’s behavior by adding malicious properties to objects, potentially leading to all sorts of chaos like data corruption or unauthorized access. This could be absolutely devastating, especially if they manage to compromise user data or system integrity! Developers should immediately upgrade gedi to the latest patched version to mitigate this vulnerability. Additionally, ensure that input validation is in place to prevent malicious data from causing harm. Regular audits and security checks can also help spot similar issues down the line. You've got this! By taking these steps, you'll be safeguarding your applications like a true security hero! 🛡️

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/E:P/RL:U/RC:C
CVSS v4.0
Not supplied
EPSS
0.01916 · 79.7th percentile
Published
2020-09-01T09:50Z
EPSS history
Timeline
  • 01 SEP 09:50Z
    Prototype Pollution
    cvelistv5