CVE-2023-42803: bigbluebutton

csirt@kutim:~/threat-intel/cve/CVE-2023-42803

CVSS 8.8 · High EPSS 0,54%

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

Deskripsi (NVD)

BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.2 is vulnerable to unrestricted file upload, where the insertDocument API call does not validate the given file extension before saving the file, and does not remove it in case of validation failures. BigBlueButton 2.6.0-beta.2 contains a patch. There are no known workarounds.

Rincian

Terbit di NVD: 30 Oktober 2023
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): 0,54% peluang dieksploitasi; lebih tinggi dari 43,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
bigbluebutton	bigbluebutton	Semua versi hingga 2.5.18
bigbluebutton	bigbluebutton	Versi 2.6.0 alpha1
bigbluebutton	bigbluebutton	Versi 2.6.0 alpha2
bigbluebutton	bigbluebutton	Versi 2.6.0 alpha3
bigbluebutton	bigbluebutton	Versi 2.6.0 alpha4
bigbluebutton	bigbluebutton	Versi 2.6.0 beta1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/bigbluebutton/bigbluebutton/pull/15990 advisory pihak ketiga
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-w98f-6x8w-xhjc 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.