What is the CVSS score of CVE-2019-16398?

CVE-2019-16398 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2019-16398?

Yes, a public proof-of-concept exploit is available for CVE-2019-16398. Prioritise patching immediately. EPSS: 0.8%.

K5 Firmware CVE-2019-16398

MEDIUM

Insufficient Verification of Data Authenticity (CWE-345)

2019-09-19 cve@mitre.org

RCE K5 Firmware

6.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 19, 2019 - 15:15 nvd

MEDIUM 6.8

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-345. 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. Affected products include: Keeper K5 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.