CVE-2024-55374
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-02

Last updated on: 2026-01-12

Assigner: MITRE

Description
REDCap 14.3.13 allows an attacker to enumerate usernames due to an observable discrepancy between login attempts.
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Meta Information
Published
2026-01-02
Last Modified
2026-01-12
Generated
2026-05-07
AI Q&A
2026-01-02
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
vanderbilt redcap 14.3.13
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-203 The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
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AI Powered Q&A
Can you explain this vulnerability to me?

CVE-2024-55374 is a vulnerability in Redcap version 14.3.13 that allows an attacker to enumerate usernames. This happens because the application returns different error messages depending on whether a username exists or not during login attempts. Although there is a protection mechanism to mitigate brute-force attacks, it inadvertently allows attackers to confirm valid usernames by observing these discrepancies in responses. [1]


How can this vulnerability impact me? :

This vulnerability can impact you by allowing attackers to discover valid usernames in your Redcap system. Once attackers know valid usernames, they can target those accounts with further attacks such as password guessing or phishing, increasing the risk of unauthorized access and potential data breaches. [1]


How can this vulnerability be detected on my network or system? Can you suggest some commands?

This vulnerability can be detected by observing the responses to multiple HTTP authentication requests to the Redcap 14.3.13 login interface. Specifically, sending login attempts with different usernames and analyzing the error messages can reveal discrepancies that indicate valid usernames. Using tools like curl or automated scripts to send these requests and compare responses can help detect user enumeration. [1]


What immediate steps should I take to mitigate this vulnerability?

Immediate mitigation steps include reviewing and modifying the login error messages to ensure they are uniform regardless of whether a username exists, thereby preventing attackers from distinguishing valid users. Additionally, implementing rate limiting or account lockout mechanisms can reduce the effectiveness of brute-force attacks exploiting this vulnerability. [1]


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