CVE-2025-54834— OPEXUS FOIAXpress Public Access Link (PAL) unauthenticated username enumeration
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I. Basic Information for CVE-2025-54834
Vulnerability Information
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Vulnerability Title
OPEXUS FOIAXpress Public Access Link (PAL) unauthenticated username enumeration
Source: NVD (National Vulnerability Database)
Vulnerability Description
OPEXUS FOIAXpress Public Access Link (PAL) version v11.1.0 allows an unauthenticated, remote attacker to query the /App/CreateRequest.aspx endpoint to check for the existence of valid usernames. There are no rate-limiting mechanisms in place.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
响应差异性信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
OPEXUS FOIAXpress Public Access Link（OPEXUS FOIAXpress PAL） 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OPEXUS FOIAXpress Public Access Link（OPEXUS FOIAXpress PAL）是OPEXUS公司的一个面向公众的安全 Web 门户，将机构与请求者联系起来，并与支付解决方案集成，包括支付解决方案。 OPEXUS FOIAXpress Public Access Link（OPEXUS FOIAXpress PAL） v11.1.0版本存在安全漏洞，该漏洞源于缺乏速率限制机制，可能导致枚举有效用户名。
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 |
|---|---|---|---|---|
| OPEXUS | FOIAXpress Public Access Link (PAL) | 11.1.0 ~ 11.12.3.0 | - |
II. Public POCs for CVE-2025-54834
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · OPEXUS · 2025-07-31 · 3 CVEs total
| CVE-2025-54833 | 5.3 MEDIUM | OPEXUS FOIAXpress Public Access Link (PAL) account-lockout and CAPTCHA protection bypass |
| CVE-2025-54832 | 4.3 MEDIUM | OPEXUS FOIAXpress Public Access Link (PAL) state and territory list unauthorized modificat |
IV. Related Vulnerabilities
Same vendor: OPEXUS
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OPEXUS eComplaint and eCASE XSS via Name of Organization fie - CVE-2026-32868
OPEXUS eComplaint and eCASE XSS via my information - CVE-2026-32867
OPEXUS eComplaint unauthenticated file upload - CVE-2026-32866
OPEXUS eComplaint and eCase stored XSS via profile first and - CVE-2026-32865
OPEXUS eComplaint and eCase insecure password reset
Same weakness: CWE-204
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V. Comments for CVE-2025-54834
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