Allegra Authentication Bypass Scanner

Allegra is utilized by organizations globally for project management and workflow optimization. It aids teams in streamlining communication and collaboration across various projects. Renowned for its comprehensive task management capabilities, Allegra is pivotal in time-bound projects. Businesses often rely on it to improve operational efficiency and project tracking. The product's user-friendly interface and powerful features make it popular among project managers. Allegra's integration abilities further enhance its utility in enterprise environments.

The detected vulnerability is an Authentication Bypass via a Predictable Password Reset Token. It emerges from the generation of predictable values for password reset tokens within Allegra's password recovery process. By exploiting this flaw, attackers can potentially bypass authentication mechanisms. This vulnerability is critical as it allows unauthorized users to access sensitive areas without valid credentials. The widespread impact could severely compromise system integrity and data confidentiality. Organizations using vulnerable Allegra versions risk unauthorized access and data breaches.

Technically, this vulnerability arises from the predictable calculation of token expiry dates within the application's password reset mechanism. The endpoint "/resetPassword.action" is exploited by attackers with crafted requests. Tokens generated are based on foreseeable criteria, allowing attackers to derive valid tokens without authentication. The vulnerability resides in the reliance on predictable values for the token lifecycle. Attackers can manipulate this flaw to retrieve valid tokens and gain unauthorized system access. Overall, the flaw undermines Allegra's core authentication processes, posing a critical security threat.

When exploited, this vulnerability allows attackers to authenticate without proper credentials, granting access to sensitive data and system control. The impact can encompass unauthorized data disclosure and potential manipulation of project data. Organizations may face data breaches, leading to loss of intellectual property and client trust. Furthermore, system disruptions and unauthorized actions within the application are possible consequences. Financial and reputational damages may result from such exploitations. Ultimately, the risk extends to compromising entire project management processes and data integrity.

REFERENCES

• https://www.zerodayinitiative.com/advisories/ZDI-25-410/
• https://alltena.com/en/resources/release-notes/release-notes-for-release-8-1-4-and-release-7-5-2
• https://nvd.nist.gov/vuln/detail/CVE-2025-6216