What is the CVSS score of CVE-2019-15914?

CVE-2019-15914 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.3%.

Is there a public PoC exploit available for CVE-2019-15914?

Yes, a public proof-of-concept exploit is available for CVE-2019-15914. Prioritise patching immediately. EPSS: 1.3%.

Dgnwg03Lm Firmware CVE-2019-15914

HIGH

Improper Input Validation (CWE-20)

2019-12-20 cve@mitre.org

Denial Of Service Dgnwg03Lm Firmware Zncz03Lm Firmware Mccgq01Lm Firmware Wsdcgq01Lm Firmware Rtcgq01Lm Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 20, 2019 - 17:15 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Attackers can use the ZigBee trust center rejoin procedure to perform mutiple denial of service attacks.

AnalysisAI

An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Attackers can use the ZigBee trust center rejoin procedure to perform mutiple denial of service attacks. Affected products include: Mi Dgnwg03Lm Firmware, Mi Zncz03Lm Firmware, Mi Mccgq01Lm Firmware, Mi Wsdcgq01Lm Firmware, Mi Rtcgq01Lm 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.