CVE-2023-39546

HIGH

8.8

CVSS Score

Published: November 17, 2023 at 05:31 AM UTC

Updated: June 17, 2026 at 06:12 AM UTC

2 products affected across 1 vendorExpresscluster XExpresscluster X Singleserversafe

Using CLUSTERPRO X (EXPRESSCLUSTER X) by NEC Corporation?

Get instant alerts when new vulnerabilities affect CLUSTERPRO X (EXPRESSCLUSTER X) - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH8.8

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Expresscluster X · NEC

95%

1.0 1.0, 2.0 2.1, 3.0, 3.1, 3.2, 4.0, 4.1, 4.2, 5.0 and 5.1 2.0 2.1 3.0 3.1 3.2 3.3 4.0 4.1 4.2 4.3 5.0 5.1

Expresscluster X Singleserversafe · NEC

95%

1.0 1.0, 2.0 2.1, 3.0, 3.1, 3.2, 4.0, 4.1, 4.2, 5.0 and 5.1 2.0 2.1 3.0 3.1 3.2 3.3 4.0 4.1 4.2 4.3 5.0 5.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory

Source: [email protected]

https://jpn.nec.com/security-info/secinfo/nv23-009_en.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-836NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card