Buffer overflow in CLUSTERPRO X and EXPRESSCLUSTER X - CVE-2021-20704
Published: October 29, 2021
Vulnerability identifier: #VU57774
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-20704
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the compatible API with previous versions (Ver 8.0 and earlier). A remote attacker can send a specially crafted packet, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
CLUSTERPRO X
EXPRESSCLUSTER X
EXPRESSCLUSTER X
How to mitigate CVE-2021-20704
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.