CVE-2021-1614: cisco sd-wan

csirt@kutim:~/threat-intel/cve/CVE-2021-1614

CVSS 5.3 · Medium EPSS 1,2%

Kerentanan Buffer Over-read pada cisco sd-wan. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the Multiprotocol Label Switching (MPLS) packet handling function of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to gain access to information stored in MPLS buffer memory. This vulnerability is due to insufficient handling of malformed MPLS packets that are processed by a device that is running Cisco SD-WAN Software. An attacker could exploit this vulnerability by sending a crafted MPLS packet to an affected device that is running Cisco SD-WAN Software or Cisco SD-WAN vManage Software. A successful exploit could allow the attacker to gain unauthorized access to sensitive information.

Rincian

Terbit di NVD: 22 Juli 2021
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-126: Buffer Over-read
EPSS (30 hari): 1,2% peluang dieksploitasi; lebih tinggi dari 67,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cisco	sd-wan	Versi 18.4.0 hingga sebelum 18.4.6
cisco	sd-wan	Versi 19.2.0 hingga sebelum 19.2.3
cisco	sd-wan	Versi 20.3 hingga sebelum 20.3.2
cisco	sd-wan	Versi 20.4 hingga sebelum 20.4.1
cisco	sd-wan	Versi 20.5 hingga sebelum 20.5.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdw-mpls-infodisclos-MSSRFkZq patch · advisory vendor

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.