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CVE-2023-40779 Scanner

Detects 'Open Redirect' vulnerability in IceWarp Mail Server Deep Castle 2 affects v.


Short Info



Single Scan

Single Scan

Can be used by

Asset Owner

Estimated Time

10 sec

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IceWarp Mail Server Deep Castle 2 is a comprehensive messaging solution designed for businesses of all sizes. It offers email, calendaring, and collaboration features, aiming to streamline communication and enhance productivity within organizations. Utilized by IT professionals and corporate users alike, IceWarp facilitates secure and efficient internal and external communications. This software is particularly popular among companies looking for a reliable, scalable, and feature-rich mail server solution. Its versatility in handling large volumes of email traffic makes it a critical infrastructure component for many businesses.

The Open Redirect vulnerability in IceWarp Mail Server Deep Castle 2 version poses a significant security risk. This flaw allows remote attackers to redirect users to arbitrary web URLs through crafted requests. By exploiting this vulnerability, an attacker can potentially redirect unsuspecting users to phishing or malicious websites, compromising their security. The vulnerability leverages insufficient validation of URL redirection requests, making it crucial to address to maintain the integrity and trustworthiness of communications handled by the server.

The vulnerability is specifically present in the handling of redirection requests by the IceWarp Mail Server. By crafting a malicious URL that mimics a legitimate request to the server, attackers can manipulate the server's response to redirect users to an attacker-controlled site. This issue stems from the server's failure to properly validate the destination URLs before processing the redirection. Consequently, it is possible for attackers to insert external URLs into redirection requests, exploiting the trust relationship between the server and the end users. Such a scenario highlights the necessity of stringent input validation mechanisms in web applications.

Exploiting the Open Redirect vulnerability can lead to several adverse effects. Users could be redirected to phishing sites, leading to the theft of sensitive information such as login credentials and personal data. Furthermore, the redirection to malicious sites could result in malware infections, compromising the user's device security. Additionally, the exploit undermines the credibility and security of the affected mail server, potentially affecting the organization's reputation. It is a gateway for further attacks, emphasizing the importance of prompt remediation.

Joining the securityforeveryone platform provides access to state-of-the-art cyber threat exposure management services. Our platform's comprehensive security scans, including the detection of vulnerabilities like the Open Redirect in IceWarp Mail Server, empower users to proactively safeguard their digital assets. Members benefit from detailed vulnerability reports, remediation guidance, and continuous monitoring, enhancing their overall cyber defense posture. With securityforeveryone, ensure the resilience of your digital infrastructure against the evolving landscape of cyber threats.



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