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CVE-2023-51646

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

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4.7
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Exploitability: 1.2 / Impact: 3.4
Source: NVD

Description

Allegra uploadSimpleFile Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the uploadSimpleFile method. 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 execute code in the context of LOCAL SERVICE. Was ZDI-CAN-22527.

Affected (1)

Products: Alltena: Allegra
Alltena
1 product
Allegra
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Allegra
Before 7.5.1

Related CWEs

CWE-22
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)

Source: zdi-disclosures@trendmicro.com
Release Notes
Source: zdi-disclosures@trendmicro.com
Third Party Advisory

Timeline

No history available yet.