CVE-2021-20702: Buffer Overflow
First published: Tue Nov 02 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.
Credit: vultures@jpcert.or.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nec Clusterpro X | >=1.0<=4.3 | |
| Nec Clusterpro X Singleserversafe | >=1.0<=4.3 | |
| Nec Expresscluster X | >=1.0<=4.3 | |
| Nec Expresscluster X Singleserversafe | >=1.0<=4.3 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-20702?
CVE-2021-20702 is a buffer overflow vulnerability in the Transaction Server CLUSTERPRO X, EXPRESSCLUSTER X, CLUSTERPRO X SingleServerSafe, and EXPRESSCLUSTER X SingleServerSafe for Windows.
How severe is the vulnerability CVE-2021-20702?
The severity of CVE-2021-20702 is critical with a CVSS score of 9.8.
Which software versions are affected by CVE-2021-20702?
The affected software versions are NEC Clusterpro X (1.0 to 4.3), NEC Clusterpro X Singleserversafe (1.0 to 4.3), NEC Expresscluster X (1.0 to 4.3), and NEC Expresscluster X Singleserversafe (1.0 to 4.3) for Windows.
What is the CWE ID for CVE-2021-20702?
The CWE ID for CVE-2021-20702 is CWE-119 and CWE-120.
How can I fix the vulnerability CVE-2021-20702?
To fix the vulnerability, it is recommended to update the affected software to a version above 4.3 or apply the necessary patches provided by NEC.
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- agent/weakness
- agent/references
- agent/author
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- agent/description
- agent/event
- agent/last-modified-date
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- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- vendor/nec
- canonical/nec clusterpro x
- version/nec clusterpro x/1.0
- version/nec clusterpro x/4.3
- canonical/nec clusterpro x singleserversafe
- version/nec clusterpro x singleserversafe/1.0
- version/nec clusterpro x singleserversafe/4.3
- canonical/nec expresscluster x
- version/nec expresscluster x/1.0
- version/nec expresscluster x/4.3
- canonical/nec expresscluster x singleserversafe
- version/nec expresscluster x singleserversafe/1.0
- version/nec expresscluster x singleserversafe/4.3