csirt@kutim:~/threat-intel/cve/CVE-2022-20812

Katalog CVE

CVSS 6.5 · Medium EPSS 1,9%

Kerentanan Improper Neutralization of Null Byte or NUL Character pada cisco expressway, cisco telepresence video communication server. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

Multiple vulnerabilities in the API and in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow a remote attacker to overwrite arbitrary files or conduct null byte poisoning attacks on an affected device. Note: Cisco Expressway Series refers to the Expressway Control (Expressway-C) device and the Expressway Edge (Expressway-E) device. For more information about these vulnerabilities, see the Details section of this advisory.

Rincian

Terbit di NVD
6 Juli 2022
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-158: Improper Neutralization of Null Byte or NUL Character
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS (30 hari)
1,9% peluang dieksploitasi; lebih tinggi dari 79,5% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco expressway Semua versi sebelum x14.0.7
cisco telepresence video communication server Semua versi sebelum x14.0.7

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

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.