Buffer overflow in CLUSTERPRO X and EXPRESSCLUSTER X - CVE-2021-20704
Published: October 29, 2021
Vulnerability identifier: #VU57774
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2021-20704
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: NEC Corporation
Affected software:
CLUSTERPRO X
EXPRESSCLUSTER X
CLUSTERPRO X
EXPRESSCLUSTER X
Detailed vulnerability description
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.
How to mitigate CVE-2021-20704
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.