CVE-2021-1145: cisco staros

csirt@kutim:~/threat-intel/cve/CVE-2021-1145

CVSS 6.5 · Medium EPSS 1,3%

Kerentanan UNIX Symbolic Link (Symlink) Following pada cisco staros. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the Secure FTP (SFTP) of Cisco StarOS for Cisco ASR 5000 Series Routers could allow an authenticated, remote attacker to read arbitrary files on an affected device. To exploit this vulnerability, the attacker would need to have valid credentials on the affected device. The vulnerability is due to insecure handling of symbolic links. An attacker could exploit this vulnerability by sending a crafted SFTP command to an affected device. A successful exploit could allow the attacker to read arbitrary files on the affected device.

Rincian

Terbit di NVD: 13 Januari 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-61: UNIX Symbolic Link (Symlink) Following
CWE-59: Improper Link Resolution Before File Access ('Link Following')
EPSS (30 hari): 1,3% peluang dieksploitasi; lebih tinggi dari 69,4% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cisco	staros	Semua versi sebelum 21.19.7

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-staros-file-read-L3RDvtey 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.