Buffer Overflow Vulnerability in NEC's CLUSTERPRO and EXPRESSCLUSTER Products
CVE-2021-20703

9.8CRITICAL

Key Information:

Vendor

Nec Corporation

Status
Clusterpro X
Vendor
CVE Published:
3 November 2021

What is CVE-2021-20703?

This vulnerability involves a buffer overflow in NEC's Transaction Server CLUSTERPRO X and EXPRESSCLUSTER X products, enabling remote code execution through network access. Attackers can exploit this weakness to execute arbitrary code, potentially compromising system integrity and leading to unauthorized access. Users of affected versions should take immediate steps to mitigate risks by applying security updates and enhancing their network defenses.

Affected Version(s)

CLUSTERPRO X CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier

References

https://jpn.nec.com/security-info/secinfo/nv21-015_en.html
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.