How severe is CVE-2017-16788?

CVE-2017-16788 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-2017-16788 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16788?

CVE-2017-16788 affects Meinbergglobal Lantime Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16788?

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.

When was CVE-2017-16788 published?

CVE-2017-16788 was published on 2017-12-15 and last updated on 2026-06-17.

CVE-2017-16788

CVE-2017-16788 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)
CVSS v2: 9.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Meinbergglobal Lantime Firmware
Published: 2017-12-15
Last modified: 2026-06-17

Description

Directory traversal vulnerability in the "Upload Groupkey" functionality in the Web Configuration Utility in Meinberg LANTIME devices with firmware before 6.24.004 allows remote authenticated users with Admin-User access to write to arbitrary files and consequently gain root privileges by uploading a file, as demonstrated by storing a file in the cron.d directory.

Frequently asked questions

What is CVE-2017-16788?: Directory traversal vulnerability in the "Upload Groupkey" functionality in the Web Configuration Utility in Meinberg LANTIME devices with firmware before 6.24.004 allows remote authenticated users with Admin-User access to write to arbitrary files and consequently gain root privileges by uploading a file, as demonstrated by storing a file in the cron.d directory.
How severe is CVE-2017-16788?: CVE-2017-16788 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-2017-16788 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16788?: CVE-2017-16788 affects Meinbergglobal Lantime Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16788?: 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.
When was CVE-2017-16788 published?: CVE-2017-16788 was published on 2017-12-15 and last updated on 2026-06-17.

References

http://seclists.org/fulldisclosure/2017/Dec/32

Affected products (1)

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

More vulnerabilities in Meinbergglobal Lantime Firmware

CVE-2021-46902 — 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…
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-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…

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