A vulnerability in the Snort 3 Visual Basic for Applications (VBA) Decompression Engine of multiple Cisco products could allow an unauthenticated…
A vulnerability in the Snort 3 Visual Basic for Applications (VBA) Decompression Engine of multiple Cisco products could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper range checking when Snort 3 decompresses VBA data, which is user controlled. An attacker could exploit this vulnerability by sending crafted VBA data to the Snort 3 Detection Engine of a targeted device. A successful exploit could allow the attacker to cause an overflow of stack dat
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Cisco
- Product
- Snort
- CVSS
- 5.8
- EPSS
- 0.006 (p50)
- Exposure class
- Endpoint security
Why it ranks 26 (Notable)
- CVSS 5.8 medium
- Product class: endpoint security
- Widely deployed vendor product (Cisco)
- Covered by 3 independent sources
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-20218 on this site · NVD · CVE.org · Vulnpedia
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