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Vulnerability record · CVE-2025-56132 · published 30 September 2025

CVE-2025-56132: Liquidfiles vulnerability

Liquidfiles · Liquidfiles

LiquidFiles filetransfer server is vulnerable to a user enumeration issue in its password reset functionality. The application returns distinguishable responses for valid and invalid email addresses, allowing unauthenticated attackers to determine the existence of user accounts. Version 4.2 introduces user-based lockout mechanisms to mitigate brute-force attacks, user enumeration remains possible by default. In versions prior to 4.2, no such user-level protection is in place, only basic IP-based rate limiting is enforced. This IP-based protection can be bypassed by distributing requests across multiple IPs (e.g., rotating IP or proxies). Effectively bypassing both login and password reset security controls. Successful exploitation allows an attacker to enumerate valid email addresses registered for the application, increasing the risk of follow-up attacks such as password spraying.

7.3 CVSS 3.1 High EPSS 0.70% · top 48.9% CWE-305 · CWE-305
7.3CVSS 3.1 base score
0.70%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

LiquidFiles filetransfer server is vulnerable to a user enumeration issue in its password reset functionality. The application returns distinguishable responses for valid and invalid email addresses, allowing unauthenticated attackers to determine the existence of user accounts. Version 4.2 introduces user-based lockout mechanisms to mitigate brute-force attacks, user enumeration remains possible by default. In versions prior to 4.2, no such user-level protection is in place, only basic IP-based rate limiting is enforced. This IP-based protection can be bypassed by distributing requests across multiple IPs (e.g., rotating IP or proxies). Effectively bypassing both login and password reset security controls. Successful exploitation allows an attacker to enumerate valid email addresses registered for the application, increasing the risk of follow-up attacks such as password spraying.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.0CVE-2020-29071Liquidfiles cross-site scripting vulnerabilityAn XSS issue was found in the Shares feature of LiquidFiles before 3.3.19. The issue arises from the insecure rendering of HTML files uploaded to the…EPSS 1.7%8.8CVE-2025-46093Liquidfiles incorrect permission assignment vulnerabilityLiquidFiles before 4.1.2 supports FTP SITE CHMOD for mode 6777 (setuid and setgid), which allows FTPDrop users to execute arbitrary code as root by l…EPSS 0.53%8.8CVE-2021-43397Liquidfiles insufficiently protected credentials vulnerabilityLiquidFiles before 3.6.3 allows remote attackers to elevate their privileges from Admin (or User Admin) to Sysadmin.EPSS 3.8%6.1CVE-2023-4393Liquidfiles injection vulnerabilityHTML and SMTP injections on the registration page of LiquidFiles versions 3.7.13 and below, allow an attacker to perform more advanced phishing attac…EPSS 0.31%6.1CVE-2020-29072Liquidfiles inclusion from untrusted sphere vulnerabilityA Cross-Site Script Inclusion vulnerability was found on LiquidFiles before 3.3.19. This client-side attack requires user interaction (opening a link…EPSS 0.71%5.4CVE-2021-30140Liquidfiles cross-site scripting vulnerabilityLiquidFiles 3.4.15 has stored XSS through the "send email" functionality when sending a file via email to an administrator. When a file has no extens…EPSS 1.4%3.8CVE-2025-46094Liquidfiles vulnerabilityLiquidFiles before 4.1.2 allows directory traversal by configuring the pathname of a local executable file as an Actionscript.EPSS 0.53%8.8CVE-2026-81578PaperCut MF/NG web interface access control flaw allows unauthenticated config changesPaperCut MF and NG contain an improper access control flaw in the web management interface where unauthenticated remote requests to administrative fu…KEVEPSS 4.5%analysed

Source: NIST National Vulnerability Database (record CVE-2025-56132), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.