CVE-2020-3161

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi EPSS 83,9%

Kerentanan Improper Input Validation pada cisco ip phone 8865 firmware, cisco ip phone 8851 firmware +11 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.

Rincian

Terbit di NVD

15 April 2020

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-20: Improper Input Validation

EPSS (30 hari)

83,9% peluang dieksploitasi; lebih tinggi dari 99,6% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability

Masuk KEV

3 November 2021

Tenggat CISA

3 Mei 2022 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXs advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3161 pemerintah AS
• http://packetstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.html exploit · advisory pihak ketiga · vdb entry