THREAT OPS › Threat News › [NVD] CVE-2026-20066 (MEDIUM 5.8) — Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection.
This vulnerability is due to an err
[NVD] CVE-2026-20066 (MEDIUM 5.8) — Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is due to an err
CVE-2026-20066 CVSS: 5.8 MEDIUM Published: 2026-03-04T18:16:21.670
Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection.
This vulnerability is due to an error in the JSTokenizer normalization logic when the H
MITRE ATT&CK techniques
- JavaScriptT1059.007
Indicators of compromise
- CVE-2026-20066cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-20066