What is the CVSS score of CVE-2019-15913?

CVE-2019-15913 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.3%.

Is there a public PoC exploit available for CVE-2019-15913?

Yes, a public proof-of-concept exploit is available for CVE-2019-15913. Prioritise patching immediately. EPSS: 1.3%.

Dgnwg03Lm Firmware CVE-2019-15913

CRITICAL

Authorization Bypass Through User-Controlled Key (CWE-639)

2019-12-20 cve@mitre.org

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

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 20, 2019 - 17:15 nvd

CRITICAL 9.8

DescriptionNVD

An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Because of insecure key transport in ZigBee communication, causing attackers to gain sensitive information and denial of service attack, take over smart home devices, and tamper with messages.

AnalysisAI

An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Rated critical severity (CVSS 9.8), 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-639. An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Because of insecure key transport in ZigBee communication, causing attackers to gain sensitive information and denial of service attack, take over smart home devices, and tamper with messages. 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.