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Vulnerability record · CVE-2026-42951 · published 29 May 2026

CVE-2026-42951: Macgregor interschalt vdr g4e firmware insufficiently protected credentials vulnerability

Macgregor · Interschalt Vdr G4e Firmware

An authenticated user can download a backup of the Danelec MacGregor Voyage Data Recorder device which includes account data and password hashes.

5.9 CVSS 4.0 Medium EPSS 0.23% · top 87.2% CWE-522 · Insufficiently protected credentials
5.9CVSS 4.0 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
21 Jul 2026Last modified by NVD

Description

An authenticated user can download a backup of the Danelec MacGregor Voyage Data Recorder device which includes account data and password hashes.

CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-148-01.json Third Party AdvisoryUS Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-148-01 Third Party AdvisoryUS Government Resource
https://www.danelec.com/contact Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2026-42929Macgregor interschalt vdr g4e firmware hard-coded credentials vulnerabilityDanelec MacGregor Voyage Data Recorder includes default accounts with hard-coded credentials.EPSS 0.34%8.7CVE-2026-42941Macgregor interschalt vdr g4e firmware vulnerabilityThe Danelec MacGregor Voyage Data Recorder device includes a default username and password, with no enforced password change.EPSS 0.34%6.9CVE-2026-40425Macgregor interschalt vdr g4e firmware vulnerabilityThe administrator account for the Danelec MacGregor Voyage Data Recorder web interface can directly edit sensitive files related to authentication, p…EPSS 0.60%5.9CVE-2026-44611Macgregor interschalt vdr g4e firmware vulnerabilityDanelec MacGregor Voyage Data Recorder passwords are stored with a hashing method which limits password length and is susceptible to brute force atta…EPSS 0.19%5.3CVE-2016-9339Macgregor interschalt vdr g4e firmware path traversal vulnerabilityAn issue was discovered in INTERSCHALT Maritime Systems VDR G4e Versions 5.220 and prior. External input is used to construct paths to files and dire…EPSS 1.7%9.8CVE-2021-22681Rockwell Logix Designer authentication bypass via weak key verificationRockwell Automation Studio 5000 Logix Designer (v21+) and RSLogix 5000 (v16-20) rely on a key to verify that Logix controllers are talking to genuine…KEVEPSS 64%analysed9.8CVE-2021-30116Kaseya VSA credential disclosure via unauthenticated download pageKaseya VSA before 9.5.7 exposes an unauthenticated download page (dl.asp) that leaks agent credentials and accepts them via GET request. An attacker …KEVEPSS 86%analysed9.8CVE-2020-29583Zyxel USG and ATP firmware hard-coded admin credentialZyxel USG and ATP firmware version 4.60 ships an undocumented account (zyfwp) whose password is stored in cleartext in the firmware and cannot be cha…KEVEPSS 90%analysed

Source: NIST National Vulnerability Database (record CVE-2026-42951), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.