CVE-2021-36121: echobh sharecare

csirt@kutim:~/threat-intel/cve/CVE-2021-36121

CVSS 8.8 · High EPSS 2,1%

Kerentanan Unrestricted Upload of File with Dangerous Type pada echobh sharecare. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered in Echo ShareCare 8.15.5. The file-upload feature in Access/DownloadFeed_Mnt/FileUpload_Upd.cfm is susceptible to an unrestricted upload vulnerability via the name1 parameter, when processing remote input from an authenticated user, leading to the ability for arbitrary files to be written to arbitrary filesystem locations via ../ Directory Traversal on the Z: drive (a hard-coded drive letter where ShareCare application files reside) and remote code execution as the ShareCare service user (NT AUTHORITY\SYSTEM).

Rincian

Terbit di NVD: 13 Juli 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-434: Unrestricted Upload of File with Dangerous Type
EPSS (30 hari): 2,1% peluang dieksploitasi; lebih tinggi dari 81,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
echobh	sharecare	Versi 8.15.5

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/atredispartners/advisories/blob/master/ATREDIS-2021-0001.md advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.