CVE-2024-5687

Name: CVE-2024-5687
Creator: NVD / NIST
Published: 2024-06-11T13:15:50.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2024-5687 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. If a specific sequence of actions is performed when opening a new tab, the triggering principal associated with the new tab may have been incorrect. The triggering principal is used to calculate many values, including the `Referer` and `Sec-*` headers, meaning there is the potential for incorrect security checks within the browser in addition to incorrect or misleading information sent to remote websites. *This bug only affects Firefox for Android. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

If a specific sequence of actions is performed when opening a new tab, the triggering principal associated with the new tab may have been incorrect. The triggering principal is used to calculate many values, including the `Referer` and `Sec-*` headers, meaning there is the potential for incorrect security checks within the browser in addition to incorrect or misleading information sent to remote websites. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 127.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.41%

32.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 127.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1889066Exploit, Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-25/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1889066Exploit, Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-25/Vendor Advisory

Timeline

Published: Jun 11, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-5687?

How severe is CVE-2024-5687?

CVE-2024-5687 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2024-5687?

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.

Are you affected by CVE-2024-5687?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST