CVE-2021-45389

A flaw was found with the JWT token

published January 4, 2022

CVSS
—
EPSS
1%
Percentile
67.1
In the wild
Unconfirmed
What it is

⚠️ A crafty self-signed JWT could slip through the cracks! This sneaky flaw lets an attacker bypass authentication on StarWind systems, escalating privileges like a surprise VIP pass. 🎟️ Think of this like a party where anyone can waltz in with a fake invitation that the bouncer never checks. Once they're in, they can act like they own the place, changing the music, and inviting all their friends! If exploited, this vulnerability allows attackers to bypass authentication altogether, possibly giving them full access to sensitive data and critical operations. An unauthorized user could escalate their privileges, putting your entire system at risk. This could lead to data breaches or unwanted modifications, making it a security concern you can't ignore!

Put simply

Think of this like a party where anyone can waltz in with a fake invitation that the bouncer never checks. Once they're in, they can act like they own the place, changing the music, and inviting all their friends! The vulnerability stems from the ability to inject a self-signed JWT token into the update manager, effectively bypassing the intended authentication mechanisms. This flaw affects StarWind SAN and NAS build 1578 and StarWind Command Center build 6864.

What to do

If exploited, this vulnerability allows attackers to bypass authentication altogether, possibly giving them full access to sensitive data and critical operations. An unauthorized user could escalate their privileges, putting your entire system at risk. This could lead to data breaches or unwanted modifications, making it a security concern you can't ignore! To fix this issue, update to the latest versions of StarWind SAN and NAS, and Command Center to ensure you have the patched software. Implement stringent validation checks for JWT tokens to prevent any unauthorized access. Don't brush this off—it's crucial for your security! You've got this! By taking these steps, you can secure your systems and keep those attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01166 · 67.1th percentile
Published
2022-01-04T15:40Z
EPSS history
Timeline
  • 04 JAN 15:40Z
    A flaw was found with the JWT token
    cvelistv5