CVE-2021-33207

The HTTP client in MashZone NextGen through 10.7 GA deserializes untrusted data when it gets an HTTP response with a 570 status code

published April 5, 2022

CVSS
โ€”
EPSS
2%
Percentile
76.0
In the wild
Unconfirmed
What it is

โš ๏ธ A sneaky HTTP response code could let untrusted data slip right in! MashZone NextGen versions through 10.7 GA are vulnerable due to improper deserialization. ๐Ÿ”ฅ Think of it like letting a delivery driver drop off a package without checking if the contents match the order โ€” you might end up with something unexpected, or worse, something harmful! If an attacker tricks the server into sending a 570 status code, they could potentially manipulate the system by injecting malicious data, leading to unexpected behavior or even a breach. This could compromise the integrity of your application and possibly expose sensitive information.

Put simply

Think of it like letting a delivery driver drop off a package without checking if the contents match the order โ€” you might end up with something unexpected, or worse, something harmful! This vulnerability occurs when the HTTP client deserializes untrusted data received in an HTTP response with a 570 status code, allowing attackers to send crafted responses that the application accepts without verification.

What to do

If an attacker tricks the server into sending a 570 status code, they could potentially manipulate the system by injecting malicious data, leading to unexpected behavior or even a breach. This could compromise the integrity of your application and possibly expose sensitive information. To mitigate this risk, ensure you update MashZone NextGen to the latest version that addresses this deserialization flaw. Additionally, consider implementing strict validation on HTTP responses to filter out any unexpected status codes. Regularly audit your HTTP client for similar vulnerabilities. You've got this! With these steps, you can protect your application and keep it secure. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01625 ยท 76.0th percentile
Published
2022-04-05T02:01Z
EPSS history
Timeline
  • 05 APR 02:01Z
    The HTTP client in MashZone NextGen through 10.7 GA deserializes untrusted data when it gets an HTTP response with a 570 status code
    cvelistv5