CVE-2019-5043

Name: CVE-2019-5043
Creator: NVD / NIST
Published: 2019-10-31T21:15:13.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2019-5043 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An exploitable denial-of-service vulnerability exists in the Weave daemon of the Nest Cam IQ Indoor, version 4620002. A set of TCP connections can cause unrestricted resource allocation, resulting in a denial of service. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

An exploitable denial-of-service vulnerability exists in the Weave daemon of the Nest Cam IQ Indoor, version 4620002. A set of TCP connections can cause unrestricted resource allocation, resulting in a denial of service. An attacker can connect multiple times to trigger this vulnerability.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.67%

47.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Nest Cam Iq Indoor Firmware	4620002

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0810Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0810Exploit, Third Party Advisory

Timeline

Published: Oct 31, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5043?

How severe is CVE-2019-5043?

CVE-2019-5043 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5043?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5043?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST