CVEvulnerability

CVE-2023-20057

5.3 MEDIUM Published 2023-01-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-01-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
0.0 NONE — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:N
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-74, CWE-792

Description

A vulnerability in the URL filtering mechanism 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. This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device.

Affected configurations

• cisco asyncos

Related

Weakness · CWE (2)

  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness
  • CWE-792 Incomplete Filtering of One or More Instances of Special Elements weakness

References