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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Frontier Airlines
  • Flyfrontier

No data.

No data.

References
Link Providers
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-296-01.json cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-62236 cve-icon cve-icon
History

Fri, 24 Oct 2025 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Frontier Airlines
Frontier Airlines flyfrontier
Vendors & Products Frontier Airlines
Frontier Airlines flyfrontier

Thu, 23 Oct 2025 19:45:00 +0000

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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: cisa-cg

Published:

Updated: 2025-10-23T19:31:15.979Z

Reserved: 2025-10-09T18:26:38.378Z

Link: CVE-2025-62236

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-10-23T20:15:40.890

Modified: 2025-10-23T20:15:40.890

Link: CVE-2025-62236

cve-icon Redhat

No data.