CVE-2024-5699

Public Exploit

Description

In violation of spec, cookie prefixes such as `__Secure` were being ignored if they were not correctly capitalized - by spec they should be checked with a case-insensitive comparison. This could have resulted in the browser not correctly honoring the behaviors specified by the prefix. This vulnerability affects Firefox < 127.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.53%
Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1891349 issue tracking exploit
https://www.mozilla.org/security/advisories/mfsa2024-25/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-5699?
CVE-2024-5699 has been scored as a critical severity vulnerability.
How to fix CVE-2024-5699?
To fix CVE-2024-5699, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-5699 being actively exploited in the wild?
It is possible that CVE-2024-5699 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-5699?
CVE-2024-5699 affects Mozilla Firefox.
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