CVE-2021-20704

Description

Buffer overflow vulnerability in the compatible API with previous versions 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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.35% Top 25%
Affected: NEC Corporation CLUSTERPRO X
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2021-20704?
CVE-2021-20704 has been scored as a critical severity vulnerability.
How to fix CVE-2021-20704?
To fix CVE-2021-20704, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20704 being actively exploited in the wild?
It is possible that CVE-2021-20704 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20704?
CVE-2021-20704 affects NEC Corporation CLUSTERPRO X.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.