Buffer overflow in CLUSTERPRO X and EXPRESSCLUSTER X - CVE-2021-20702

 

Buffer overflow in CLUSTERPRO X and EXPRESSCLUSTER X - CVE-2021-20702

Published: October 29, 2021


Vulnerability identifier: #VU57772
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-2021-20702
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: NEC Corporation
Affected software:
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 Transaction Server. 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-2021-20702

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources