CVE-2021-25943

Prototype pollution vulnerability in '101' versions 1.0.0 through 1.6.3 allows an attacker to cause a denial of service and may lead to remote code execution

Critical 路 published May 14, 2021

CVSS v3.1
9.8
EPSS
3%
Percentile
88.5
In the wild
Unconfirmed
What it is

馃毃 An attacker can crash your system using just one sneaky input! This critical prototype pollution vulnerability in '101' versions 1.0.0 through 1.6.3 may lead to a devastating denial of service or even remote code execution. 馃敟 Think of it like a chef who lets anyone change the ingredients list for a popular dish without checking the substitutions. One poorly chosen ingredient can lead to chaos in the kitchen, just like this vulnerability can wreak havoc on your application. If exploited, this vulnerability can bring your services to a halt, leaving users in the lurch. Worse yet, attackers could gain the ability to execute code remotely, potentially compromising sensitive data or system integrity. The consequences could be absolutely devastating!

Put simply

Think of it like a chef who lets anyone change the ingredients list for a popular dish without checking the substitutions. One poorly chosen ingredient can lead to chaos in the kitchen, just like this vulnerability can wreak havoc on your application. This prototype pollution vulnerability allows an attacker to manipulate the internal structure of an application, leading to unexpected behavior such as denial of service or unauthorized code execution.

What to do

If exploited, this vulnerability can bring your services to a halt, leaving users in the lurch. Worse yet, attackers could gain the ability to execute code remotely, potentially compromising sensitive data or system integrity. The consequences could be absolutely devastating! To safeguard your systems, upgrade to version 1.6.4 or later immediately. Implement strong input validation and sanitization measures in your applications to block potential exploits. Regularly audit your dependencies to stay ahead of threats! You've got this! With these steps, you'll be a security hero in no time! 馃Ω

The record
Technical detail
CVSS v3.1
9.8 路 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
0.03299 路 88.5th percentile
Published
2021-05-14T13:32Z
EPSS history
Timeline
  • 14 MAY 13:32Z
    Prototype pollution vulnerability in '101' versions 1.0.0 through 1.6.3 allows an attacker to cause a denial of service and may lead to remote code execution
    cvelistv5