NEC CLUSTERPRO X/EXPRESSCLUSTER X up to 5.0 on Windows buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.84

Summaryinfo

A vulnerability, which was classified as critical, has been found in NEC CLUSTERPRO X and EXPRESSCLUSTER X up to 5.0 on Windows. Impacted is an unknown function. Performing a manipulation results in buffer overflow. This vulnerability is reported as CVE-2022-34823. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in NEC CLUSTERPRO X and EXPRESSCLUSTER X up to 5.0 on Windows. It has been classified as critical. This affects an unknown functionality. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow vulnerability in CLUSTERPRO X 5.0 for Windows and earlier, EXPRESSCLUSTER X 5.0 for Windows and earlier, CLUSTERPRO X 5.0 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 5.0 SingleServerSafe for Windows and earlier allows a remote unauthenticated attacker to overwrite existing files on the file system and to potentially execute arbitrary code.

The weakness was disclosed 11/09/2022. It is possible to read the advisory at jpn.nec.com. This vulnerability is uniquely identified as CVE-2022-34823 since 06/29/2022. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/14/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-37729). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/29/2022 🔍
11/09/2022 +133 days 🔍
11/09/2022 +0 days 🔍
06/14/2026 +1313 days 🔍

Sourcesinfo

Advisory: jpn.nec.com
Status: Confirmed

CVE: CVE-2022-34823 (🔍)
GCVE (CVE): GCVE-0-2022-34823
GCVE (VulDB): GCVE-100-213207
EUVD: 🔍

Entryinfo

Created: 11/09/2022 08:07
Updated: 06/14/2026 03:17
Changes: 11/09/2022 08:07 (38), 12/10/2022 16:42 (12), 05/03/2025 06:48 (15), 06/14/2026 03:17 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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