csirt@kutim:~/threat-intel/cve/CVE-2025-20335

Katalog CVE

CVSS 5.3 · Medium EPSS 0,35%

Kerentanan Improper Access Control pada cisco desk phone 9841 firmware, cisco desk phone 9851 firmware +15 lainnya. Skor CVSS 3.1 5.3 (Medium) menurut cisco.com.

Deskripsi (NVD)

A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to write arbitrary files on an affected device. This vulnerability is due to a lack of proper authentication controls. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to perform arbitrary file writes to specific directories in the underlying operating system. Note: To exploit this vulnerability, Web Access must be enabled on the phone. Web Access is disabled by default.

Rincian

Terbit di NVD
3 September 2025
Terakhir diubah
17 Juni 2026
Status NVD
Analyzed
CVSS 3.1
5.3 (Medium), sumber cisco.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-284: Improper Access Control
EPSS (30 hari)
0,35% peluang dieksploitasi; lebih tinggi dari 27,1% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco desk phone 9841 firmware Versi 3.0\(1\) hingga sebelum 3.3\(1\)
cisco desk phone 9851 firmware Versi 3.0\(1\) hingga sebelum 3.3\(1\)
cisco desk phone 9861 firmware Versi 3.0\(1\) hingga sebelum 3.3\(1\)
cisco desk phone 9871 firmware Versi 3.0\(1\) hingga sebelum 3.3\(1\)
cisco ip phone 7811 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 7811 firmware Versi 14.3(1)
cisco ip phone 7811 firmware Versi 14.3(1) sr1
cisco ip phone 7821 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 7821 firmware Versi 14.3(1)
cisco ip phone 7821 firmware Versi 14.3(1) sr1
cisco ip phone 7841 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 7841 firmware Versi 14.3(1)
cisco ip phone 7841 firmware Versi 14.3(1) sr1
cisco ip phone 7861 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 7861 firmware Versi 14.3(1)
cisco ip phone 7861 firmware Versi 14.3(1) sr1
cisco ip phone 8811 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 8811 firmware Versi 14.3(1)
cisco ip phone 8811 firmware Versi 14.3(1) sr1
cisco ip phone 8841 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 8841 firmware Versi 14.3(1)
cisco ip phone 8841 firmware Versi 14.3(1) sr1
cisco ip phone 8845 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 8845 firmware Versi 14.3(1)
cisco ip phone 8845 firmware Versi 14.3(1) sr1
cisco ip phone 8851 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 8851 firmware Versi 14.3(1)
cisco ip phone 8851 firmware Versi 14.3(1) sr1
cisco ip phone 8851nr firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 8851nr firmware Versi 14.3(1)
cisco ip phone 8851nr firmware Versi 14.3(1) sr1
cisco ip phone 8861 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 8861 firmware Versi 14.3(1)
cisco ip phone 8861 firmware Versi 14.3(1) sr1
cisco ip phone 8865 firmware Semua versi sebelum 14.3\(1\)
cisco ip phone 8865 firmware Versi 14.3(1)
cisco ip phone 8865 firmware Versi 14.3(1) sr1
cisco video phone 8875 firmware Semua versi sebelum 2.3\(1\)
cisco video phone 8875 firmware Versi 3.0\(1\) hingga sebelum 3.3\(1\)
cisco video phone 8875 firmware Versi 2.3(1)
cisco video phone 8875 firmware Versi 2.3(1) sr1
cisco ip phone 8821 firmware Semua versi sebelum 11.0\(6\)
cisco ip phone 8821 firmware Versi 11.0(6)
cisco ip phone 8821 firmware Versi 11.0(6) sr1
cisco ip phone 8821 firmware Versi 11.0(6) sr2
cisco ip phone 8821 firmware Versi 11.0(6) sr4
cisco ip phone 8821 firmware Versi 11.0(6) sr5
cisco ip phone 8821 firmware Versi 11.0(6) sr6

> 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, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.