How severe is CVE-2019-5043?

CVE-2019-5043 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-5043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5043?

CVE-2019-5043 affects Google Nest Cam Iq Indoor Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5043?

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

When was CVE-2019-5043 published?

CVE-2019-5043 was published on 2019-10-31 and last updated on 2026-06-17.

CVE-2019-5043

CVE-2019-5043 is a high-severity vulnerability in Google Nest Cam Iq Indoor Firmware with a CVSS 3.x base score of 7.5. 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Google Nest Cam Iq Indoor Firmware
Published: 2019-10-31
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-5043?: 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.
How severe is CVE-2019-5043?: CVE-2019-5043 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-5043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5043?: CVE-2019-5043 affects Google Nest Cam Iq Indoor Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-5043 published?: CVE-2019-5043 was published on 2019-10-31 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0810

Affected products (1)

cpe:2.3:o:google:nest_cam_iq_indoor_firmware:4620002:*:*:*:*:*:*:*

More vulnerabilities in Google Nest Cam Iq Indoor Firmware

CVE-2019-5035 — Critical (CVSS 9.0): An exploitable information disclosure vulnerability exists in the Weave PASE pairing functionality of the Nest Cam IQ…
CVE-2019-5036 — High (CVSS 7.5): An exploitable denial-of-service vulnerability exists in the Weave error reporting functionality of the Nest Cam IQ…
CVE-2019-5040 — High (CVSS 7.5): An exploitable information disclosure vulnerability exists in the Weave MessageLayer parsing of Openweave-core version…
CVE-2019-5037 — High (CVSS 7.5): An exploitable denial-of-service vulnerability exists in the Weave certificate loading functionality of Nest Cam IQ…
CVE-2019-5034 — Medium (CVSS 5.3): An exploitable information disclosure vulnerability exists in the Weave Legacy Pairing functionality of Nest Cam IQ…

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