CVE-2025-3486: Allegra isZipEntryValide Directory Traversal Remote Code Execution Vulnerability
Description
Allegra isZipEntryValide Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is required to exploit this vulnerability.
The specific flaw exists within the implementation of the isZipEntryValide 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-25730.
Classification
CVE ID: CVE-2025-3486
CVSS Base Severity: HIGH
CVSS Base Score: 7.2
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Problem Types
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Affected Products
Vendor: Allegra
Product: Allegra
Exploit Prediction Scoring System (EPSS)
EPSS Score: 3.99% (probability of being exploited)
EPSS Percentile: 87.87% (scored less or equal to compared to others)
EPSS Date: 2025-06-15 (when was this score calculated)
Stakeholder-Specific Vulnerability Categorization (SSVC)
SSVC Exploitation: none
SSVC Technical Impact: total
SSVC Automatable: false
References
https://nvd.nist.gov/vuln/detail/CVE-2025-3486https://www.zerodayinitiative.com/advisories/ZDI-25-255/
https://alltena.com/en/resources/release-notes/release-notes-for-release-8-1-2