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Case File

CVE-2020-5135

CRITICAL · CVSS 9.8 EPSS 24.56% CISA KEV · Actively Exploited

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-10-12 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CISA KEV Details

Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.

Ransomware use: Unknown

Added to KEV: 2022-03-15

Required action: Apply updates per vendor instructions.

CVE
CVE-2020-5135
Severity
CRITICAL
CVSS
9.8
EPSS
24.56%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)