NEC CLUSTERPRO X/EXPRESSCLUSTER X file access

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in NEC CLUSTERPRO X and EXPRESSCLUSTER X. It has been rated as problematic. Affected by this vulnerability is an unknown functionality. This manipulation causes file access. This vulnerability is tracked as CVE-2023-39545. No exploit exists.

Detailsinfo

A vulnerability was found in NEC CLUSTERPRO X and EXPRESSCLUSTER X (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a file access vulnerability. The CWE definition for the vulnerability is CWE-552. The product makes files or directories accessible to unauthorized actors, even though they should not be. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

CLUSTERPRO X Ver5.1 and earlier and EXPRESSCLUSTER X 5.1 and earlier, CLUSTERPRO X SingleServerSafe 5.0 and earlier, EXPRESSCLUSTER X SingleServerSafe 5.0 and earlier allows a attacker to log in to the product may execute an arbitrary command.

The weakness was disclosed 11/17/2023. It is possible to read the advisory at jpn.nec.com. This vulnerability is known as CVE-2023-39545 since 08/04/2023. 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 12/14/2023). The attack technique deployed by this issue is T1083 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: File access
CWE: CWE-552 / CWE-425
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

08/04/2023 🔍
11/17/2023 +105 days 🔍
11/17/2023 +0 days 🔍
12/14/2023 +27 days 🔍

Sourcesinfo

Advisory: jpn.nec.com
Status: Confirmed

CVE: CVE-2023-39545 (🔍)
GCVE (CVE): GCVE-0-2023-39545
GCVE (VulDB): GCVE-100-245707

Entryinfo

Created: 11/17/2023 07:34
Updated: 12/14/2023 08:22
Changes: 11/17/2023 07:34 (36), 12/14/2023 08:22 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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