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Vulnerability record · CVE-2021-46903 · published 4 February 2024

CVE-2021-46903: Meinbergglobal lantime firmware improper access control vulnerability

Meinbergglobal · Lantime Firmware

An issue was discovered in LTOS-Web-Interface in Meinberg LANTIME-Firmware before 6.24.029 MBGID-9343 and 7 before 7.04.008 MBGID-6303. An admin can delete required user accounts (in violation of expected access control).

6.5 CVSS 3.1 Medium EPSS 0.50% · top 59.9% CWE-284 · Improper access control
6.5CVSS 3.1 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in LTOS-Web-Interface in Meinberg LANTIME-Firmware before 6.24.029 MBGID-9343 and 7 before 7.04.008 MBGID-6303. An admin can delete required user accounts (in violation of expected access control).

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

Affected products

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

References

LinkTags
https://www.meinberg.de/german/news/meinberg-security-advisory-mbgsa-2021-03-meinberg-lantime-firmware-v7-04-008-und-v6- Vendor Advisory
https://www.meinberg.de/german/news/meinberg-security-advisory-mbgsa-2021-03-meinberg-lantime-firmware-v7-04-008-und-v6- Vendor Advisory

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Related vulnerabilities

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

7.2CVE-2021-46902Meinbergglobal lantime firmware path traversal vulnerabilityAn issue was discovered in LTOS-Web-Interface in Meinberg LANTIME-Firmware before 6.24.029 MBGID-9343 and 7 before 7.04.008 MBGID-6303. Path validati…EPSS 0.66%7.2CVE-2023-1731Meinbergglobal lantime firmware unrestricted file upload vulnerabilityIn Meinbergs LTOS versions prior to V7.06.013, the configuration file upload function would not correctly validate the input, which would allow an re…EPSS 0.97%7.2CVE-2017-16788Meinbergglobal lantime firmware path traversal vulnerabilityDirectory traversal vulnerability in the "Upload Groupkey" functionality in the Web Configuration Utility in Meinberg LANTIME devices with firmware b…EPSS 4.0%6.5CVE-2017-16786Meinbergglobal lantime firmware information exposure vulnerabilityThe Web Configuration Utility in Meinberg LANTIME devices with firmware before 6.24.004 allows remote authenticated users with certain privileges to …EPSS 2.0%6.5CVE-2017-16787Meinbergglobal lantime firmware information exposure vulnerabilityThe Web Configuration Utility in Meinberg LANTIME devices with firmware before 6.24.004 allows remote attackers to read arbitrary files by leveraging…EPSS 6.6%

Source: NIST National Vulnerability Database (record CVE-2021-46903), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.