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CVE-2024-3840

HIGHCVSS 7.5/10EPSS 0.75%

Last modified

CVE-2024-3840 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Insufficient policy enforcement in Site Isolation in Google Chrome prior to 124.0.6367.60 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

Insufficient policy enforcement in Site Isolation in Google Chrome prior to 124.0.6367.60 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChrome< 124.0.6367.60
FedoraprojectFedora38
FedoraprojectFedora39
FedoraprojectFedora40

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-3840?
Insufficient policy enforcement in Site Isolation in Google Chrome prior to 124.0.6367.60 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2024-3840?
CVE-2024-3840 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.
How do I fix CVE-2024-3840?
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.

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Source: NVD / NIST