How severe is CVE-2019-15913?

CVE-2019-15913 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-15913 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15913?

CVE-2019-15913 primarily affects Mi Dgnwg03lm Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-15913?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-15913 published?

CVE-2019-15913 was published on 2019-12-20 and last updated on 2026-06-17.

CVE-2019-15913

CVE-2019-15913 is a critical-severity vulnerability in Mi Dgnwg03lm Firmware with a CVSS 3.x base score of 9.8. 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-639.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Mi Dgnwg03lm Firmware
Published: 2019-12-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2019-15913?: 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.
How severe is CVE-2019-15913?: CVE-2019-15913 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-15913 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15913?: CVE-2019-15913 primarily affects Mi Dgnwg03lm Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-15913?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-15913 published?: CVE-2019-15913 was published on 2019-12-20 and last updated on 2026-06-17.

References

https://github.com/chengcheng227/CVE-POC/blob/master/CVE-2019-15913.md

Affected products (5)

cpe:2.3:o:mi:dgnwg03lm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:zncz03lm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:mccgq01lm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:wsdcgq01lm_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mi:rtcgq01lm_firmware:-:*:*:*:*:*:*:*

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CVE-2019-15915 — High (CVSS 7.5): An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, RTCGQ01LM devices. Attackers can utilize the…
CVE-2019-15914 — High (CVSS 7.5): An issue was discovered on Xiaomi DGNWG03LM, ZNCZ03LM, MCCGQ01LM, WSDCGQ01LM, RTCGQ01LM devices. Attackers can use the…

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