CVE-2021-20701

Buffer overflow vulnerability in the Disk Agent CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3…

published November 2, 2021

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

⚠️ A buffer overflow in CLUSTERPRO X can take an unsuspecting server down with just the right packets sent — a surprising way to throw a wrench in your system! Think of it like an email inbox that gets overloaded; one too many attachments can cause it to crash, making it impossible for anyone to access important messages. In this case, a malicious actor could exploit the overflow to run their own code! If an attacker successfully exploits this vulnerability, they could execute arbitrary code on the affected systems, potentially gaining unauthorized control. This could lead to devastating consequences, including data breaches and service disruptions. It's crucial to address this issue to maintain the integrity of your systems.

Put simply

Think of it like an email inbox that gets overloaded; one too many attachments can cause it to crash, making it impossible for anyone to access important messages. In this case, a malicious actor could exploit the overflow to run their own code! The buffer overflow vulnerability in Disk Agent CLUSTERPRO X 4.3 allows attackers to remotely execute code by sending specially crafted network packets, causing the application to overwrite memory and execute malicious code.

What to do

If an attacker successfully exploits this vulnerability, they could execute arbitrary code on the affected systems, potentially gaining unauthorized control. This could lead to devastating consequences, including data breaches and service disruptions. It's crucial to address this issue to maintain the integrity of your systems. To remediate this vulnerability, ensure you update to the latest versions of CLUSTERPRO and EXPRESSCLUSTER X, as patches may be available. Regularly review your network configurations and monitor for any unusual activity to further protect your systems. You've got this! Stay vigilant, keep your systems updated, and you'll be a security hero in no time! 🦸‍♂️

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 Disk Agent CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3…
    cvelistv5