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CVE-2024-5699

CRITICAL
Published 2024-06-11T12:40:18.427Z
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Expert Analysis

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CVSS Score

V3.1
9.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.578
Higher than 57.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mozilla

Firefox

Affected Versions:

unspecified
mozilla

firefox

Affected Versions:

0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-893r-mpwj-qhhg

Advisory Details

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.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-5699
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1891349
WEB https://www.mozilla.org/security/advisories/mfsa2024-25

Advisory provided by GitHub Security Advisory Database. Published: June 11, 2024, Modified: August 12, 2024

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1891349
https://www.mozilla.org/security/advisories/mfsa2024-25/
Published: 2024-06-11T12:40:18.427Z
Last Modified: 2024-08-12T17:08:34.616Z
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