CVE-2023-20057

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-792CWE-74

Affected software

No affected versions have been published.

Timeline

Published
Jan 20, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-20057: Medium severity, CVSS 5.3 | Vulnix