CVE-2020-3315
MEDIUMCisco Products - Auth Bypass
Title source: llmDescription
Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured file policies on an affected system. The vulnerability is due to errors in how the Snort detection engine handles specific HTTP responses. An attacker could exploit this vulnerability by sending crafted HTTP packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured file policies and deliver a malicious payload to the protected network.
Scores
CVSS v3
5.3
EPSS
0.0110
EPSS Percentile
77.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Classification
CWE
CWE-693
CWE-668
Status
published
Affected Products (7)
cisco/firepower_threat_defense
< 6.6.0
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/ios
cisco/ios
cisco/ios
Timeline
Published
May 06, 2020
Tracked Since
Feb 18, 2026