CVE-2021-20704

Buffer overflow vulnerability in the compatible API with previous versions CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and…

published November 2, 2021

CVSS
—
EPSS
2%
Percentile
81.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer overflow in CLUSTERPRO and EXPRESSCLUSTER X 4.3 can let an attacker execute malicious code remotely with just a network connection! 🔥 Think of this vulnerability like a waiter who keeps filling your drink without checking if you've asked for more — eventually, the glass overflows and makes a mess! In this case, the overflow can lead to an attacker slipping in unwanted commands when the server isn't watching closely enough. If exploited, this vulnerability could allow an attacker to run arbitrary code on the affected systems, potentially compromising sensitive data or disrupting critical operations. The consequences could be a major headache for anyone relying on these services!

Put simply

Think of this vulnerability like a waiter who keeps filling your drink without checking if you've asked for more — eventually, the glass overflows and makes a mess! In this case, the overflow can lead to an attacker slipping in unwanted commands when the server isn't watching closely enough. This buffer overflow vulnerability arises from insufficient bounds checking in the compatible API of CLUSTERPRO and EXPRESSCLUSTER X, allowing attackers to manipulate memory allocation and execute arbitrary code.

What to do

If exploited, this vulnerability could allow an attacker to run arbitrary code on the affected systems, potentially compromising sensitive data or disrupting critical operations. The consequences could be a major headache for anyone relying on these services! To mitigate this risk, update to the latest versions of CLUSTERPRO and EXPRESSCLUSTER X as soon as possible. Regularly auditing your server configurations and ensuring network segmentation can also help protect against unwanted access. You've got this! Stay vigilant and patch those systems to keep everything running smoothly. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02142 · 81.9th percentile
Published
2021-11-02T23:30Z
EPSS history
Timeline
  • 02 NOV 23:30Z
    Buffer overflow vulnerability in the compatible API with previous versions CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and…
    cvelistv5