CVE-2025-62236

Frontier Airlines publicly available email address validation

Published Oct 23, 2025 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
The Frontier Airlines website has a publicly available endpoint that validates if an email addresses is associated with an account. An unauthenticated, remote attacker could determine valid email addresses, possibly aiding in further attacks.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Flyfrontier
Flyfrontier frontier Airlines
CPEs cpe:2.3:a:flyfrontier:frontier_airlines:-:*:*:*:*:*:*:*
Vendors & Products Flyfrontier
Flyfrontier frontier Airlines
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Frontier Airlines
Frontier Airlines flyfrontier
Vendors & Products Frontier Airlines
Frontier Airlines flyfrontier
Type Values Removed Values Added
Description The Frontier Airlines website has a publicly available endpoint that validates if an email addresses is associated with an account. An unauthenticated, remote attacker could determine valid email addresses, possibly aiding in further attacks.
Title Frontier Airlines publicly available email address validation
Weaknesses CWE-204
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisa-cg
Published
Updated
Oct 27, 2025, 1:45 PM
Reserved
Oct 9, 2025, 6:26 PM
Status
Analyzed
Published
Oct 23, 2025, 8:15 PM
Modified
Oct 8, 2026, 11:10 AM