CVE-2021-43183

In JetBrains Hub before 2021.1.13690, the authentication throttling mechanism could be bypassed

published November 9, 2021

CVSS
โ€”
EPSS
1%
Percentile
67.5
In the wild
Unconfirmed
What it is

โš ๏ธ A crafty loophole lurks in JetBrains Hub! The authentication throttling mechanism can be bypassed, leaving doors wide open for mischief. ๐Ÿ”“ Think of it like a restaurant that restricts the number of customers allowed inside at busy times โ€” but someone finds a way to sneak in through the back entrance without anyone noticing! That's how the authentication mechanism can be dodged here. Imagine someone who shouldn't have access walking right in and drowning your servers in requests, causing performance issues or even a crash. This could lead to unwanted disruptions and leave your data vulnerable. It's not quite a disaster yet, but why take the risk?

Put simply

Think of it like a restaurant that restricts the number of customers allowed inside at busy times โ€” but someone finds a way to sneak in through the back entrance without anyone noticing! That's how the authentication mechanism can be dodged here. This vulnerability allows attackers to bypass the authentication throttling designed to limit the number of login attempts. By exploiting this flaw, a malicious user could generate an excessive number of requests without being blocked, potentially overwhelming the system.

What to do

Imagine someone who shouldn't have access walking right in and drowning your servers in requests, causing performance issues or even a crash. This could lead to unwanted disruptions and leave your data vulnerable. It's not quite a disaster yet, but why take the risk? To protect your setup, update JetBrains Hub to the latest version as soon as possible. Additionally, consider implementing additional security measures like rate limiting and monitoring for unusual activity to bolster your defenses. This is fixable! Get that update applied, and you'll be well on your way to securing your environment. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01181 ยท 67.5th percentile
Published
2021-11-09T14:53Z
EPSS history
Timeline
  • 09 NOV 14:53Z
    In JetBrains Hub before 2021.1.13690, the authentication throttling mechanism could be bypassed
    cvelistv5