What is CVE-2025-62236?

CVE-2025-62236 is a medium-severity vulnerability in Flyfrontier Frontier Airlines, classified under Observable Response Discrepancy. CVSS score: 5.3/10. Published 2025-10-23.

How severe is CVE-2025-62236?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Flyfrontier Frontier Airlines

CVE-2025-62236

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.

EPSS: 0.003 (23.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-204 — Observable Response Discrepancy

References

9119a7d8-5eab-497f-8521-727c672e3725 (US Government Resource, Third Party Advisory)
9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-62236?: CVE-2025-62236 is a medium-severity vulnerability in Flyfrontier Frontier Airlines, classified under Observable Response Discrepancy. CVSS score: 5.3/10. Published 2025-10-23.
How severe is CVE-2025-62236?: Medium severity. CVSS v3 base score is 5.3 out of 10.