How severe is CVE-2021-46902?

CVE-2021-46902 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-46902 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46902?

CVE-2021-46902 affects Meinbergglobal Lantime Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46902?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2021-46902 have an EU (EUVD) identifier?

Yes. CVE-2021-46902 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-33550.

When was CVE-2021-46902 published?

CVE-2021-46902 was published on 2024-02-04 and last updated on 2026-06-17.

CVE-2021-46902

CVE-2021-46902 is a high-severity vulnerability in Meinbergglobal Lantime Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-33550
Weakness: CWE-22
Affected product: Meinbergglobal Lantime Firmware
Published: 2024-02-04
Last modified: 2026-06-17

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. Path validation is mishandled, and thus an admin can read or delete files in violation of expected access controls.

Frequently asked questions

What is CVE-2021-46902?: 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. Path validation is mishandled, and thus an admin can read or delete files in violation of expected access controls.
How severe is CVE-2021-46902?: CVE-2021-46902 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-46902 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46902?: CVE-2021-46902 affects Meinbergglobal Lantime Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46902?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2021-46902 have an EU (EUVD) identifier?: Yes. CVE-2021-46902 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-33550.
When was CVE-2021-46902 published?: CVE-2021-46902 was published on 2024-02-04 and last updated on 2026-06-17.

References

https://www.meinberg.de/german/news/meinberg-security-advisory-mbgsa-2021-03-meinberg-lantime-firmware-v7-04-008-und-v6-24-029.htm

Affected products (1)

cpe:2.3:o:meinbergglobal:lantime_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Meinbergglobal Lantime Firmware

CVE-2023-1731 — High (CVSS 7.2): In Meinbergs LTOS versions prior to V7.06.013, the configuration file upload function would not correctly validate the…
CVE-2017-16788 — High (CVSS 7.2): Directory traversal vulnerability in the "Upload Groupkey" functionality in the Web Configuration Utility in Meinberg…
CVE-2021-46903 — Medium (CVSS 6.5): An issue was discovered in LTOS-Web-Interface in Meinberg LANTIME-Firmware before 6.24.029 MBGID-9343 and 7 before…
CVE-2017-16786 — Medium (CVSS 6.5): The Web Configuration Utility in Meinberg LANTIME devices with firmware before 6.24.004 allows remote authenticated…
CVE-2017-16787 — Medium (CVSS 6.5): The Web Configuration Utility in Meinberg LANTIME devices with firmware before 6.24.004 allows remote attackers to read…

All CVEs affecting Meinbergglobal Lantime Firmware →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →