CVE-2021-27964: sfcyazilim sonlogger

csirt@kutim:~/threat-intel/cve/CVE-2021-27964

CVSS 9.8 · Critical EPSS 47,5%

Kerentanan Unrestricted Upload of File with Dangerous Type pada sfcyazilim sonlogger. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

SonLogger before 6.4.1 is affected by Unauthenticated Arbitrary File Upload. An attacker can send a POST request to /Config/SaveUploadedHotspotLogoFile without any authentication or session header. There is no check for the file extension or content of the uploaded file.

Rincian

Terbit di NVD: 5 Maret 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/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): 47,5% peluang dieksploitasi; lebih tinggi dari 98,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
sfcyazilim	sonlogger	Semua versi sebelum 6.4.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.sonlogger.com/releasenotes release notes · advisory vendor
http://packetstormsecurity.com/files/161793/SonLogger-4.2.3.3-Shell-Upload.html exploit · advisory pihak ketiga · vdb entry
https://github.com/erberkan/SonLogger-vulns exploit · 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.