CVE-2023-51639 CRITICAL

CVE-2023-51639: Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability

Vendor Allegra
Product Allegra
Weakness CWE-22 · Path traversal
Published November 22, 2024
Last update November 25, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 22, 2024 CVE published
November 25, 2024 Record updated