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CVE-2025-62236— Frontier Airlines publicly available email address validation

Quick assessment

Affected
Frontier Airlines flyfrontier.com
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Frontier Airlines Website是美国Frontier Airlines公司的一个Web站点。 Frontier Airlines Website存在安全漏洞，该漏洞源于未经验证的端点公开验证电子邮件地址，未经身份验证的远程攻击者可以获取有效的电子邮件地址，从而可能协助进一步的攻击。

CVSS 5.3 · Medium EPSS 0.31% · P23
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I. Basic Information for CVE-2025-62236

Vulnerability Information
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Vulnerability Title
Frontier Airlines publicly available email address validation
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
响应差异性信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Frontier Airlines Website 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Frontier Airlines Website是美国Frontier Airlines公司的一个Web站点。 Frontier Airlines Website存在安全漏洞，该漏洞源于未经验证的端点公开验证电子邮件地址，未经身份验证的远程攻击者可以获取有效的电子邮件地址，从而可能协助进一步的攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Frontier Airlines flyfrontier.com * -

II. Public POCs for CVE-2025-62236

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III. Intelligence Information for CVE-2025-62236

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IV. Related Vulnerabilities

Same weakness: CWE-204

V. Comments for CVE-2025-62236

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