Vulnerability · Published Nov 2, 2021 · Assigned by NEC
CVE-2021-20703
Critical 9.8
In plain English
A critical-severity security flaw in CLUSTERPRO X from NEC Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)2.1%top 17.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NEC Corporation | 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