CVE-2024-29944

Firefox vulnerability

CVSS

8.4

EPSS

4.7%

EPSS pct

91th

Exploited

No known

An attacker was able to inject an event handler into a privileged object that would allow arbitrary JavaScript execution in the parent process. Note: This vulnerability affects Desktop Firefox only, it does not affect mobile versions of Firefox. This vulnerability affects Firefox < 124.0.1 and Firefox ESR < 115.9.1.

Affected vendor

Mozilla

Affected product

Firefox

CVSS vector

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

Weakness type (CWE)

CWE-830

Published

2024-03-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2024-29944

Confirm whether Mozilla Firefox is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2024-29944.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2024-29944

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