CVE-2023-51639

Published: Nov 22, 2024Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Allegra. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloadExportedChart action. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-22361.

Affected (1)

Products: Alltena: Allegra

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Alltena Allegra	Before 7.5.1

Related CWEs

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (2)

https://www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.html

Source: zdi-disclosures@trendmicro.com

Release Notes

https://www.zerodayinitiative.com/advisories/ZDI-24-110/

Source: zdi-disclosures@trendmicro.com

Third Party Advisory

Timeline

No history available yet.