cbcvebase.
CVE-2026-20057
published 2026-03-04

CVE-2026-20057: Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which could allow an unauthenticated, remote…

PriorityP434medium5.8CVSS 3.1
AVNACLPRNUINSCCNINAL
EPSS
0.43%
34.9th percentile
Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. This vulnerability is due to lack of proper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending a crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to unexpectedly restart causing a a denial of service (DoS) condition.

Affected

118 ranges· showing 25
VendorProductVersion rangeFixed in
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CVSS provenance

nvdv3.15.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
vendor_cisco5.8MEDIUM
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