{"id":"CVE-2023-51645","aliases":["EUVD-2023-56357","GHSA-wmcv-j9w5-vgv5"],"status":"published","title":"Allegra unzipFile Directory Traversal Remote Code Execution Vulnerability","description":"Allegra unzipFile 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.\n\nThe specific flaw exists within the unzipFile 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-22513.","severity":{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01841,"percentile":0.79151,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2024-11-22T20:05:07Z","modified":"2026-06-17T06:41:23Z","products":[{"vendor":"allegra","product":"allegra"},{"vendor":"alltena","product":"allegra"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-24-101/","tags":["x_research-advisory","Third Party Advisory"]},{"url":"https://www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.html","tags":["vendor-advisory","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-51645"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-24-101"},{"url":"https://github.com/advisories/GHSA-wmcv-j9w5-vgv5"}],"sources":{"cve":[{"id":"CVE-2023-51645","title":"Allegra unzipFile Directory Traversal Remote Code Execution Vulnerability","description":"Allegra unzipFile 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.\n\nThe specific flaw exists within the unzipFile 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-22513.","status":"published","published":"2024-11-22T20:05:07.712Z","modified":"2024-11-25T16:40:44.705Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:35:17.48054Z"}],"euvd":[{"id":"EUVD-2023-56357","description":"Allegra unzipFile 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.\n\nThe specific flaw exists within the unzipFile 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-22513.","status":"published","published":"2024-11-22T20:05:07Z","modified":"2024-11-25T16:40:44Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:48.805983Z"}],"ghsa":[{"id":"GHSA-wmcv-j9w5-vgv5","title":"Allegra unzipFile Directory Traversal Remote Code Execution Vulnerability. This vulnerability...","description":"Allegra unzipFile 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.\n\nThe specific flaw exists within the unzipFile 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-22513.","status":"published","published":"2024-11-22T21:32:16Z","modified":"2024-11-22T21:32:22Z","cvss":[{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:58:54.680763Z"}],"nvd":[{"id":"CVE-2023-51645","description":"Allegra unzipFile 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.\n\nThe specific flaw exists within the unzipFile 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-22513.","status":"published","published":"2024-11-22T20:15:07.103Z","modified":"2026-06-17T06:41:23.513Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:09:19.052418Z"}]}}