CVE-2025-62236
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-23

Last updated on: 2025-12-31

Assigner: Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government

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.
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Meta Information
Published
2025-10-23
Last Modified
2025-12-31
Generated
2026-06-16
AI Q&A
2025-10-23
EPSS Evaluated
2026-06-15
NVD
CVE-2025-62236
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
flyfrontier frontier_airlines *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-204 The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.
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Executive Summary

This vulnerability exists in the Frontier Airlines website, where a publicly accessible endpoint allows anyone, including unauthenticated remote attackers, to check if an email address is associated with an account. This means attackers can verify valid email addresses, which could be used to facilitate further attacks such as phishing or account takeover attempts.

Impact Analysis

The vulnerability can impact you by exposing whether your email address is registered with Frontier Airlines. Attackers could use this information to target you with phishing attacks, social engineering, or attempts to compromise your account, potentially leading to unauthorized access or identity theft.

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