VULNERABILITY INTELLIGENCE

CVE-2020-3315

CVSS score5.3 MEDIUM
EPSS probability2.21%
CISA KEVNot currently listed
Published2020-05-06
Last modified2026-08-11
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

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.

Weakness classification

  • psirt@cisco.com: CWE-693
  • nvd@nist.gov: CWE-668

Primary references