THREAT OPS › Threat News › [NVD] CVE-2026-20053 (MEDIUM 5.8) — Multiple Cisco products are affected by a vulnerability in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash.
This vulnerability is due to improper range checking when decompressing VBA data, which is us
[NVD] CVE-2026-20053 (MEDIUM 5.8) — Multiple Cisco products are affected by a vulnerability in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. This vulnerability is due to improper range checking when decompressing VBA data, which is us
CVE-2026-20053 CVSS: 5.8 MEDIUM Published: 2026-03-04T18:16:19.607
Multiple Cisco products are affected by a vulnerability in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash.
This vulnerability is due to improper range checking when decompressing VBA data, which is user controlled. An attacker could exploit this vulner
Indicators of compromise
- CVE-2026-20053cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-20053