What is the CVSS score of CVE-2023-39379?

CVE-2023-39379 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.4%.

Software Infrastructure Manager CVE-2023-39379

HIGH

Cleartext Storage of Sensitive Information (CWE-312)

2023-08-04 vultures@jpcert.or.jp

Information Disclosure Software Infrastructure Manager Fujitsu

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-312 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V14 - Data Protection Encrypted storage of sensitive data
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAI

Fujitsu Software Infrastructure Manager (ISM) stores sensitive information at the product's maintenance data (ismsnap) in cleartext form. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-312. Fujitsu Software Infrastructure Manager (ISM) stores sensitive information at the product's maintenance data (ismsnap) in cleartext form. As a result, the password for the proxy server that is configured in ISM may be retrieved. Affected products and versions are as follows: Fujitsu Software Infrastructure Manager Advanced Edition V2.8.0.060, Fujitsu Software Infrastructure Manager Advanced Edition for PRIMEFLEX V2.8.0.060, and Fujitsu Software Infrastructure Manager Essential Edition V2.8.0.060. Affected products include: Fujitsu Software Infrastructure Manager.

Severity by source

NVD PRIMARY 7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

Fujitsu Software Infrastructure Manager (ISM) stores sensitive information at the product's maintenance data (ismsnap) in cleartext form. As a result, the password for the proxy server that is configured in ISM may be retrieved. Affected products and versions are as follows: Fujitsu Software Infrastructure Manager Advanced Edition V2.8.0.060, Fujitsu Software Infrastructure Manager Advanced Edition for PRIMEFLEX V2.8.0.060, and Fujitsu Software Infrastructure Manager Essential Edition V2.8.0.060.

Threat Intelligence Overview

EPSS Score

0.4%

Top 73% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.4%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.