Risk Letters

Exploited vulnerability

CVE-2022-51022

TLP:CLEAR

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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.

Facts

  • Vendor: liukuo362573
  • Product: YiShaAdmin
  • EPSS (probability of exploitation within 30 days): 0.8 %
  • First known exploitation: 22 October 2026
  • First seen by Risk Letters: 22 October 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD