CVE-2025-34047

Katalog CVE

CVSS 8.7 · High EPSS 0,55%

Kerentanan Improper Input Validation. Skor CVSS 4.0 8.7 (High) menurut vulncheck.com.

Deskripsi (NVD)

A path traversal vulnerability exists in the Leadsec SSL VPN (formerly Lenovo NetGuard), allowing unauthenticated attackers to read arbitrary files on the underlying system via the ostype parameter in the /vpn/user/download/client endpoint. This flaw arises from insufficient input sanitation, enabling traversal sequences to escape the intended directory and access sensitive files. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-05 UTC.

Rincian

Terbit di NVD

26 Juni 2025

Terakhir diubah

17 Juni 2026

Status NVD

Deferred

CVSS 4.0

8.7 (High), sumber vulncheck.com
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-20: Improper Input Validation
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

0,55% peluang dieksploitasi; lebih tinggi dari 44,3% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cnvd/2021/CNVD-2021-64035.yaml
• https://vulncheck.com/advisories/leadsec-vpn-path-traversal-file-read
• https://www.cnvd.org.cn/flaw/show/CNVD-2021-64035
• https://www.leadsec.com.cn/