CVE-2022-51022

YiShaAdmin 3.1 Unauthenticated Path Traversal via DownloadFile endpoint

  • Critical 9.1
  • A public exploit reference is listed

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.

Key facts

Published
22 Oct 2026
Last changed
3 Nov 2026
Assigned by
VulnCheck
EPSS
0.794% likely to be exploited in the next 30 days, higher than 56.956% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: poc; Automatable: yes; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.8CVSS 4.0, Highfrom the CNA (VulnCheck)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
  • 9.1CVSS 3.1, Criticalfrom the CNA (VulnCheck)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
liukuo362573YiShaAdmin
  • Default status: unknown
  • 2.2 up to and including 3.1 (affected)
  • 025b0628b1295bd2d9fd6c9b5b82692a345151ef (unaffected)

Timeline

  1. 22 Oct 2026 Published

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on Path traversal (CWE-22).

References