CVE-2021-26828

Katalog CVE

CVSS 8.8 · High KEV · sudah dieksploitasi EPSS 39,4%

Kerentanan Unrestricted Upload of File with Dangerous Type pada scadabr. Skor CVSS 3.1 8.8 (High) menurut NVD. Masuk katalog KEV CISA pada 3 Desember 2025, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows remote authenticated users to upload and execute arbitrary JSP files via view_edit.shtm.

Rincian

Terbit di NVD

11 Juni 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

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)

39,4% peluang dieksploitasi; lebih tinggi dari 98,5% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability

Masuk KEV

3 Desember 2025

Tenggat CISA

24 Desember 2025 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4 broken link · exploit · advisory vendor
• https://github.com/SCADA-LTS/Scada-LTS/pull/2174 issue tracking · patch
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26828 pemerintah AS
• http://packetstormsecurity.com/files/162564/ScadaBR-1.0-1.1CE-Linux-Shell-Upload.html exploit · advisory pihak ketiga
• https://youtu.be/k1teIStQr1A exploit · advisory pihak ketiga