csirt@kutim:~/threat-intel/cve/CVE-2021-1379

Katalog CVE

CVSS 6.5 · Medium EPSS 0,33%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada cisco ip conference phone 7832 firmware, cisco ip conference phone 7832 with multiplatform firmware +32 lainnya. Skor CVSS 3.1 6.5 (Medium) menurut cisco.com.

Deskripsi (NVD)

Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series 68xx/78xx/88xx could allow an unauthenticated, adjacent attacker to execute code remotely or cause a reload of an affected IP phone. These vulnerabilities are due to missing checks when the IP phone processes a Cisco Discovery Protocol or LLDP packet. An attacker could exploit these vulnerabilities by sending a malicious Cisco Discovery Protocol or LLDP packet to the targeted IP phone. A successful exploit could allow the attacker to execute code on the affected IP phone or cause it to reload unexpectedly, resulting in a denial of service (DoS) condition.Note: Cisco Discovery Protocol is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

Rincian

Terbit di NVD
18 November 2024
Terakhir diubah
17 Juni 2026
Status NVD
Analyzed
CVSS 3.1
6.5 (Medium), sumber cisco.com
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
EPSS (30 hari)
0,33% peluang dieksploitasi; lebih tinggi dari 24,1% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco ip conference phone 7832 firmware Semua versi sebelum 12.8\(1\)
cisco ip conference phone 7832 firmware Versi 12.8(1)
cisco ip conference phone 7832 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip conference phone 8832 firmware Semua versi sebelum 12.8\(1\)
cisco ip conference phone 8832 firmware Versi 12.8(1)
cisco ip conference phone 8832 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 6821 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 6841 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 6851 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 6861 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 6871 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 7811 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 7811 firmware Versi 12.8(1)
cisco ip phone 7811 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 7821 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 7821 firmware Versi 12.8(1)
cisco ip phone 7821 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 7841 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 7841 firmware Versi 12.8(1)
cisco ip phone 7841 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 7861 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 7861 firmware Versi 12.8(1)
cisco ip phone 7861 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 8811 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 8811 firmware Versi 12.8(1)
cisco ip phone 8811 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 8841 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 8841 firmware Versi 12.8(1)
cisco ip phone 8841 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 8851 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 8851 firmware Versi 12.8(1)
cisco ip phone 8851 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 8861 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 8861 firmware Versi 12.8(1)
cisco ip phone 8861 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 8845 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 8845 firmware Versi 12.8(1)
cisco ip phone 8845 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco ip phone 8865 firmware Semua versi sebelum 12.8\(1\)
cisco ip phone 8865 firmware Versi 12.8(1)
cisco ip phone 8865 with multiplatform firmware Semua versi sebelum 11.3\(2\)
cisco unified ip conference phone 8831 firmware Semua versi sebelum 10.3\(1\)
cisco unified ip conference phone 8831 firmware Versi 10.3(1)
cisco unified ip conference phone 8831 firmware Versi 10.3(1) sr1
cisco unified ip conference phone 8831 firmware Versi 10.3(1) sr2
cisco unified ip conference phone 8831 firmware Versi 10.3(1) sr3
cisco unified ip conference phone 8831 firmware Versi 10.3(1) sr4b
cisco unified ip conference phone 8831 firmware Versi 10.3(1) sr6
cisco unified ip conference phone 8831 for third-party call control firmware Semua versi
cisco wireless ip phone 8821 firmware Semua versi sebelum 11.0\(6.6\)
cisco wireless ip phone 8821-ex firmware Semua versi sebelum 11.0\(6.6\)
cisco spa525g firmware Semua versi

> 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.