How severe is CVE-2019-16398?

CVE-2019-16398 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-16398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16398?

CVE-2019-16398 primarily affects Keeper K5 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-16398?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-16398 published?

CVE-2019-16398 was published on 2019-09-19 and last updated on 2026-06-17.

CVE-2019-16398

CVE-2019-16398 is a medium-severity vulnerability in Keeper K5 Firmware with a CVSS 3.x base score of 6.8. 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-345.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Keeper K5 Firmware
Published: 2019-09-19
Last modified: 2026-06-17

Description

On Keeper K5 20.1.0.25 and 20.1.0.63 devices, remote code execution can occur by inserting an SD card containing a file named zskj_script_run.sh that executes a reverse shell.

Frequently asked questions

What is CVE-2019-16398?: On Keeper K5 20.1.0.25 and 20.1.0.63 devices, remote code execution can occur by inserting an SD card containing a file named zskj_script_run.sh that executes a reverse shell.
How severe is CVE-2019-16398?: CVE-2019-16398 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-16398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16398?: CVE-2019-16398 primarily affects Keeper K5 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-16398?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16398 published?: CVE-2019-16398 was published on 2019-09-19 and last updated on 2026-06-17.

References

https://gitlab.com/crypt0crc/cve-2019-16398

Affected products (2)

cpe:2.3:o:keeper:k5_firmware:20.1.0.25:*:*:*:*:*:*:*
cpe:2.3:o:keeper:k5_firmware:20.1.0.63:*:*:*:*:*:*:*

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