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CVE-2026-20019

CVE

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
October 21, 2026
Last Seen
October 21, 2026
API
Exploited in Wild
—
Ransomware Use
—
Public Exploits
—
Attack Vector
—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Multiple Cisco Products Vulnerable to Snort 3 Denial of Service Flaws60.5

Multiple Cisco products are affected by several vulnerabilities in the Snort 3 Detection Engine, allowing unauthenticated remote attackers to trigger unexpected restarts, leading to denial of service (DoS) conditions. The vulnerabilities stem from issues in handling Netflow Protocol connections, GRE...

Public Exploits

Checking GitHub for proof-of-concept code…

CVE Details

Related Entities

Denial of ServiceCisco IOS XE SoftwareCisco Secure Firewall Threat Defense SoftwareOpen Source Snort 2Open Source Snort 3Snort 3Unified Threat Defense (utd) Snort IPS Engine