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CVE-2024-6607

Mozilla Firefox vulnerability

8.8 HIGHPublic exploitEPSS 0.56%
  1. Published9 Jul 2024

Description

It was possible to prevent a user from exiting pointerlock when pressing escape and to overlay customValidity notifications from a `&lt;select&gt;` element over certain permission prompts. This could be used to confuse a user into giving a site unintended permissions. This vulnerability affects Firefox < 128 and Thunderbird < 128.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Mozilla Firefox< 128.0
Mozilla Thunderbird< 128.0

Remediation

Fixed in
Mozilla Firefox≥ 128.0
Mozilla Thunderbird≥ 128.0

References

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Frequently asked

Is CVE-2024-6607 being actively exploited?

CVE-2024-6607 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.56%.

How severe is CVE-2024-6607?

CVE-2024-6607 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.56% probability of exploitation.

Which products are affected by CVE-2024-6607?

Affected products include Mozilla Firefox, Mozilla Thunderbird.

How do I fix CVE-2024-6607?

Upgrade affected software to a fixed version, for example Mozilla Firefox 128.0, Mozilla Thunderbird 128.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-6607 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.