VULNERABILITY INTELLIGENCE

CVE-2020-3368

CVSS score5.8 MEDIUM
EPSS probability1.38%
CISA KEVNot currently listed
Published2020-06-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Description

A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting the URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, which could allow malicious URLs to pass through the device.

Weakness classification

  • psirt@cisco.com: CWE-20
  • nvd@nist.gov: CWE-20

Primary references