CVE-2024-5699

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Published Jun 11, 2024 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Mozilla

Firefox

affected

Version	Status	Constraints
`unspecified`	affected	< 127

Configuration 1 [-]

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Ubuntu USN	USN-6862-1	Firefox vulnerabilities

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.773% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1891349
https://www.mozilla.org/security/advisories/mfsa2024-25/

History

Apr 4, 2025 5:00 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Mozilla Mozilla firefox
CPEs		cpe:2.3:a:mozilla:firefox::::::::
Vendors & Products		Mozilla Mozilla firefox

Aug 12, 2024 6:00 PM Weaknesses updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-178
Metrics		cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}`

Subscriptions

Mozilla Firefox

Weaknesses

CWE-178

Sources

CVE record Updated: Aug 12, 2024, 5:08 PM

Status: PUBLISHED
Assigner: mozilla
Published: Jun 11, 2024, 12:40 PM
Updated: Aug 12, 2024, 5:08 PM
Reserved: Jun 6, 2024, 3:05 PM

View source JSON

Vulnrichment Updated: Aug 1, 2024, 9:18 PM

Updated: Aug 1, 2024, 9:18 PM

NVD Updated: Jun 17, 2026, 8:16 AM

Status: Analyzed
Published: Jun 11, 2024, 1:15 PM
Modified: Jun 17, 2026, 8:16 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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