CVE-2021-20703: Buffer Overflow

Published Nov 2, 2021
·
Updated

Buffer overflow vulnerability in the Transaction Server 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 allows attacker to remote code execution via a network.

Affected Software

4 affected components
NEC Clusterpro X Windows>=1.0<=4.3
NEC Clusterpro X Singleserversafe Windows>=1.0<=4.3
NEC Expresscluster X Windows>=1.0<=4.3
NEC Expresscluster X Singleserversafe Windows>=1.0<=4.3

Event History

Nov 2, 2021
CVE Published
via MITRE·11:30 PM
Data Sourced
via MITRE·11:30 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is the vulnerability ID for this buffer overflow vulnerability?

The vulnerability ID is CVE-2021-20703.

2

What is the severity of CVE-2021-20703?

The severity of CVE-2021-20703 is critical with a CVSS score of 9.8.

3

Which software products are affected by CVE-2021-20703?

The software products affected by CVE-2021-20703 are NEC Clusterpro X, NEC Clusterpro X Singleserversafe, NEC Expresscluster X, and NEC Expresscluster X Singleserversafe.

4

How can an attacker exploit CVE-2021-20703?

An attacker can exploit CVE-2021-20703 to achieve remote code execution.

5

Where can I find more information about CVE-2021-20703?

You can find more information about CVE-2021-20703 at https://jpn.nec.com/security-info/secinfo/nv21-015_en.html.

Contact

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