CVE-2021-46902: An issue was discovered in LTOS-Web-Interface in Meinberg LANTIME-Firmware before 6.24.029 MBGID-9343 and 7 be

Q: How do I fix CVE-2021-46902?

lantime firmware: upgrade to 6.24.029, 7.04.008. Exact commands for each OS are on this page.

Q: Is CVE-2021-46902 being exploited?

CVE-2021-46902 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-46902 affect?

CVE-2021-46902 affects lantime firmware. Severity is high (CVSS 7.2). 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 acces

Routine

HIGH 7.2UPGRADE

CVE-2021-46902 is a high-severity flaw (CVSS 7.2) affecting lantime firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-22
Published	2024-02-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: meinbergglobal

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-02-04 21:15 UTCPublished CVE record published
2026-06-17 04:15 UTCUpdated Record last modified

meinbergglobal lantime firmware UPGRADE

Affected: < 6.24.029 · >= 7.0.0 and < 7.04.008

Fixed in: 6.24.029, 7.04.008

Safe to downgrade to: a release before 7.0.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-46902?

lantime firmware: upgrade to 6.24.029, 7.04.008. Exact commands for each OS are on this page.

Is CVE-2021-46902 being exploited?

CVE-2021-46902 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-46902 affect?

CVE-2021-46902 affects lantime firmware. Severity is high (CVSS 7.2). 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 acces

How urgent is CVE-2021-46902?

Priority 38/100. High severity

Related CVEs

CVE-2021-46903 MEDIUM 6.5 UPGRADE An issue was discovered in LTOS-Web-Interface in Meinberg LANTIME-Firmware before 6.24.029 MBGID-9343 and 7 be

References

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