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.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| liukuo362573 | YiShaAdmin |
|
Timeline
- 22 Oct 2026 Published
Weakness
Practice this bug class
HackZoneLabs has a hands-on lab on Path traversal (CWE-22).