CVE-2020-5135

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi Dipakai ransomware EPSS 26,9%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada sonicwall sonicos, sonicwall sonicosv. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 15 Maret 2022, artinya sudah terbukti dieksploitasi. Tercatat dipakai dalam kampanye ransomware.

Deskripsi (NVD)

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.

Rincian

Terbit di NVD

12 Oktober 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

26,9% peluang dieksploitasi; lebih tinggi dari 98,0% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

SonicWall SonicOS Buffer Overflow Vulnerability

Masuk KEV

15 Maret 2022

Tenggat CISA

5 April 2022 (untuk instansi federal AS)

Ransomware

Tercatat dipakai dalam kampanye ransomware

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010 advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5135 pemerintah AS