CVE-1999-0517

Murrelektronik MVK — vulnerability CVE-1999-0517

An SNMP community name is the default (e.g. public), null, or missing.

CVSS 5.9Patch available

This record: live connection— last retrieved: 7 November 2026 at 14:22.

Vendor

Murrelektronik

Products

MVK, Xelity, Impact67, Impact67 Pro, MVK Pro, Cube20

up to version vers:all/*

Published

1 January 1997

Last modified

16 June 2026

Original source information

Taken directly from NVD, CISA or the vendor — sometimes in English, unchanged from the source.

Technical description

An SNMP community name is the default (e.g. public), null, or missing.

CVSS 3.1 — vector details

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack vector

LOCAL

Privileges required

NONE

User interaction

NONE

Confidentiality

Limited

Integrity

Limited

Availability

Limited

EPSS — Exploit Prediction Scoring System

Probability of exploitation within 30 days

28.7%

Percentile

98e

Source: FIRST.org, updated on 6 November 2026.

Patch information

A firmware update addressing the vulnerability is planned for early 2027 for the Impact67 Pro (article numbers 54620, 54630) and MVK Pro (article numbers 54600, 54610) product variants.

IACS Radar assessment

Our own interpretation and context for the source data above.

IACS Radar assessment

Our own interpretation and context for this vulnerability — not an official source.

IACS Radar priority score

45/ 100

Based on CVSS 5.9, EPSS 28.7%, industrial relevance 45/100.

Combines CVSS, EPSS, KEV status, industrial relevance and exposure relevance — a complement to, not a replacement for, the individual scores below and above.

Conditions for exploitation

•Local or adjacent access to the device is required.
•No valid credentials are needed.
•No user interaction required.

Operational impact & energy relevance

Limited impact on availability; the risk lies mainly with confidentiality or integrity of process data.

No strong energy-sector-specific signals recognised; general OT/ICS relevance.

Recommended defensive measures

•Encrypt sensitive configuration and management communication.
•Restrict network access to the affected device to a dedicated OT management segment.
•Implement network segmentation in line with zones and conduits (IEC 62443-3-2).
•Monitor for abnormal protocol traffic using an OT-aware detection system.

Industrial relevance score

45/ 100

• Mentioned in an official CISA ICS advisory, which confirms direct relevance to industrial control systems.
• Description mentions industrial protocol: snmp.

Classification is provisional; manual verification by an OT security analyst is recommended.

Classified by IACS Radar-analysepijplijn (geautomatiseerd) on 7 November 2026.

IEC 62443 mapping

IEC 62443-4-2FR4 · Vertrouwelijkheid van gegevens

Automatic IACS Radar assessment based on the reported CWE weakness classification; not an official certification statement.

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