CVE-2026-42951

Credential disclosure via unredacted device backup

Published May 29, 2026 · Updated May 29, 2026

Credential exposure in Danelec MacGregor VDR G4e before 5.250 allows remote authenticated users to download account data and password hashes. The backup export bundles account records and password hashes into the downloadable archive instead of excluding credential material. Exploitation requires authenticated adjacent-network access and exposes stored account secrets for offline analysis, with no service interruption reported.

CVSS severity5.9
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Credential exposure in Danelec MacGregor VDR G4e before 5.250 allows remote authenticated users to download account data and password hashes. The backup export bundles account records and password hashes into the downloadable archive instead of excluding credential material. Exploitation requires authenticated adjacent-network access and exposes stored account secrets for offline analysis, with no service interruption reported.

The record

CVE
CVE-2026-42951
Published
May 29, 2026
Updated
May 29, 2026
Vendor
Danelec
Product
MacGregor Voyage Data Recorder (VDR) G4e
Classifications
CWE-522, T1552.001
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. May 29, 2026CVE publishedPublication date reported by the CVE source.
  2. May 29, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <5.250

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Danelec · MacGregor Voyage Data Recorder (VDR) G4eversion=0 <5.250

Published CVSS scores

5.4CISA ICS-CERTCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
5.9CISA ICS-CERTCVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-522Insufficiently Protected Credentials
T1552.001Unsecured Credentials: Credentials In Files

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo