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CVE-2019-5040

23
FAUCET Score

CVE-2019-5040 is an information disclosure vulnerability in the Weave MessageLayer parsing of Openweave-core version 4.0.2 and Nest Cam IQ Indoor version 4620002. A specially crafted Weave packet can trigger an integer overflow, leading to PacketBuffer data reuse. This vulnerability has a CVSS score of 7.5 (High), indicating it can be exploited remotely with low complexity to achieve high confidentiality impact without requiring user interaction. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.2CPE matchmatch criteria
cpe:2.3:a:openweave:openweave-core:4.0.2:*:*:*:*:*:*:*
4620002CPE matchmatch criteria
cpe:2.3:o:google:nest_cam_iq_indoor_firmware:4620002:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.2HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 27th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

talosintelligence.com / vulnerability_reports/TALOS-2019-0803
ExploitThird Party Advisory