CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2024-5699
Critical (9.8) in mozilla firefox. EPSS 0.8% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-11-01)
- CWE
- CWE-178
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mozilla:firefox