CVE-2021-20700: Buffer Overflow
First published: Tue Nov 02 2021(Updated: )
Buffer overflow vulnerability in the Disk Agent 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-2021-20700?
CVE-2021-20700 is a buffer overflow vulnerability in the Disk Agent 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, and EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier.
What is the severity of CVE-2021-20700?
The severity of CVE-2021-20700 is critical, with a severity value of 9.8.
How can an attacker exploit CVE-2021-20700?
An attacker can exploit CVE-2021-20700 to achieve remote code execution.
Which software versions are affected by CVE-2021-20700?
CVE-2021-20700 affects the NEC Disk Agent 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, and EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier.
How can I fix CVE-2021-20700?
To fix CVE-2021-20700, it is recommended to update to a version that is not affected by the vulnerability. Refer to the vendor's security advisory for more information.
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- 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