CVE-2023-42804: bigbluebutton

csirt@kutim:~/threat-intel/cve/CVE-2023-42804

CVSS 5.3 · Medium EPSS 0,46%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada bigbluebutton. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.1 has a path traversal vulnerability that allows an attacker with a valid starting folder path, to traverse and read other files without authentication, assuming the files have certain extensions (txt, swf, svg, png). In version 2.6.0-beta.1, input validation was added on the parameters being passed and dangerous characters are stripped. There are no known workarounds.

Rincian

Terbit di NVD: 30 Oktober 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 5.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS (30 hari): 0,46% peluang dieksploitasi; lebih tinggi dari 37,7% 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

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/bigbluebutton/bigbluebutton/pull/15960 advisory pihak ketiga
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3qjg-229m-vq84 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.