YiShaAdmin 2.2 through 3.1, fixed in commit 025b062, contains an unauthenticated path traversal vulnerability in the /admin/File/DownloadFile endpoint that allows attackers to read and delete arbitrary files via the filePath parameter. Attackers can send crafted GET requests with directory traversal sequences in filePath and set the delete parameter to read or remove system files like etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.
History

Tue, 03 Nov 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 22 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Liukuo362573
Liukuo362573 yishaadmin
Vendors & Products Liukuo362573
Liukuo362573 yishaadmin

Thu, 22 Oct 2026 11:00:00 +0000

Type Values Removed Values Added
Description YiShaAdmin 2.2 through 3.1, fixed in commit 025b062, contains an unauthenticated path traversal vulnerability in the /admin/File/DownloadFile endpoint that allows attackers to read and delete arbitrary files via the filePath parameter. Attackers can send crafted GET requests with directory traversal sequences in filePath and set the delete parameter to read or remove system files like etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.
Title YiShaAdmin 3.1 Unauthenticated Path Traversal via DownloadFile endpoint
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H'}

cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-22T10:57:33.205Z

Updated: 2026-11-03T16:20:23.419Z

Reserved: 2026-10-14T20:25:29.946Z

Link: CVE-2022-51022

cve-icon Vulnrichment

Updated: 2026-11-03T16:20:19.966Z

cve-icon NVD

Status : Deferred

Published: 2026-10-22T11:17:05.153

Modified: 2026-11-03T17:17:48.620

Link: CVE-2022-51022

cve-icon Redhat

No data.