CVE-2021-20123

Katalog CVE

CVSS 7.5 · High KEV · sudah dieksploitasi EPSS 90,2%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada draytek vigorconnect. Skor CVSS 3.1 7.5 (High) menurut NVD. Masuk katalog KEV CISA pada 3 September 2024, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.

Rincian

Terbit di NVD

13 Oktober 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

90,2% peluang dieksploitasi; lebih tinggi dari 99,7% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Draytek VigorConnect Path Traversal Vulnerability

Masuk KEV

3 September 2024

Tenggat CISA

24 September 2024 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20123 pemerintah AS
• https://www.tenable.com/security/research/tra-2021-42 exploit · advisory pihak ketiga