Buffer Overflow Vulnerability in NEC Transaction Server and EXPRESSCLUSTER Products
CVE-2021-20702

9.8CRITICAL

Key Information:

Vendor

Nec Corporation

Status
Clusterpro X
Vendor
CVE Published:
3 November 2021

What is CVE-2021-20702?

This vulnerability exists in the NEC Transaction Server CLUSTERPRO X and EXPRESSCLUSTER products, specifically in versions 4.3 for Windows and earlier. It allows an attacker to exploit a buffer overflow, potentially enabling remote code execution through network communication. Organizations using these products should prioritize security updates to mitigate this risk.

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

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