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CVE-2025-24741: Medium Vulnerability in Logon KB Support

A medium-severity 'Open Redirect' vulnerability in Logon KB Support could allow attackers to redirect users to untrusted sites. Organizations should address this issue to mitigate potential risks.

MEDIUMCVSS 4.7 · Published January 27, 2025

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CVE-2025-24741 describes a URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Logon KB Support, which affects versions up to 1.6.7. This vulnerability allows attackers to redirect users to malicious sites, posing risks of phishing and credential theft. With a CVSS score of 4.7, this vulnerability is classified as medium severity, indicating that while it may not be critical, it remains a concern for organizations utilizing the affected product.

The exploitation of this vulnerability requires user interaction, which means that attackers may trick users into clicking on a malicious link. Given this attack vector, organizations should be vigilant about user training and awareness to prevent potential exploitation. The urgency for defenders to address this vulnerability is moderate; however, organizations should prioritize it in their patch management processes.

Risk to organizations includes the possibility of users being redirected to untrusted websites, which could lead to data breaches or malicious downloads. Although no public exploit has been confirmed, the nature of this vulnerability necessitates immediate attention to safeguard users and systems.

In summary, organizations using Logon KB Support should assess their risk exposure, implement necessary patches, and enhance user awareness to mitigate the impact of this vulnerability.

Vulnerability Details

The CVE-2025-24741 vulnerability allows an attacker to exploit an open redirect flaw present in the Logon KB Support plugin. The primary impact involves the potential for users to be redirected to external, untrusted sites without their consent. The CVSS score for this vulnerability is 4.7, which indicates a medium severity level, suggesting that while the immediate risk may not be catastrophic, it is significant enough to warrant attention.

This vulnerability affects all versions of Logon KB Support up to and including 1.6.7. Organizations using this plugin should take immediate action to upgrade to the latest version to mitigate the risk associated with this vulnerability. The CWE classification for this vulnerability is CWE-601, which pertains to URL Redirection to Untrusted Site.

Technical Analysis

The root cause of the CVE-2025-24741 vulnerability stems from improper validation of user input in redirect URL handling. Specifically, the plugin fails to ensure that redirected URLs are trusted, allowing attackers to manipulate the redirect to send users to malicious sites.

The attack vector for this vulnerability is network-based, which means that attackers can exploit it remotely. The attack complexity is considered low, as it does not require any specialized knowledge or privileges. User interaction is required for this vulnerability to be successfully exploited, as users must click on the malicious link.

In terms of impact, the confidentiality impact is low because the vulnerability does not directly expose sensitive information. However, integrity impact is none, and availability is also unaffected. Organizations should monitor for any signs of exploitation related to this vulnerability and implement user education to mitigate the risks involved.

Risk & Impact Analysis

Organizations using Logon KB Support should be aware of the potential risks associated with CVE-2025-24741. The vulnerability presents a real-world risk of users being redirected to untrusted sites, which could lead to phishing attacks or the installation of malware on their devices. The blast radius of this vulnerability can be significant, especially in environments where sensitive data is handled.

Given the CVSS score of 4.7 and the fact that it requires user interaction to exploit, the urgency for remediation is moderate. Organizations should prioritize this vulnerability within their patch management schedule but may not need to treat it as an immediate emergency. However, timely remediation is essential to reduce the risk of exploitation.

The current exploitation status indicates that there are no known public exploits or active campaigns targeting this vulnerability. Nevertheless, organizations should remain vigilant and monitor for any changes in the threat landscape that may increase the risk associated with CVE-2025-24741.

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The vulnerable version of Logon KB Support is any version prior to 1.6.8. Organizations should ensure they are running the latest version to mitigate the risks associated with this vulnerability.

Mitigation & Remediation

To remediate CVE-2025-24741, organizations should upgrade to the latest version of Logon KB Support immediately. If an upgrade is not possible, consider implementing workarounds that restrict user input for redirect URLs. Proper configuration hardening can also reduce the attack surface related to this vulnerability.

Additionally, organizations should conduct regular security assessments to identify similar weaknesses. Continuous security testing can be an effective way to uncover potential vulnerabilities before they are exploited.

Penetration testing services can help validate the effectiveness of the remediation efforts.

Detection Guidance

To detect potential exploitation of CVE-2025-24741, organizations should monitor logs for unusual redirect behavior or unauthorized access attempts. Behavioral anomalies in user interactions with the Logon KB Support plugin may also indicate exploitation attempts.

AppSecure Threat Intelligence Insight

CVE-2025-24741 exemplifies the ongoing challenges associated with user input validation and the risks of open redirect vulnerabilities. Security teams should take this opportunity to enhance their input validation mechanisms and ensure robust security practices are in place.

This vulnerability serves as a reminder of the importance of thorough security reviews and the need for continuous monitoring of application security. For further guidance on security practices, teams can refer to various resources, including the vulnerability management program and the penetration testing methodology guides available on AppSecure.

By implementing these recommendations, organizations can enhance their security posture and reduce the likelihood of successful exploitation of vulnerabilities like CVE-2025-24741.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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