Security features bypass in Cisco Email Security Appliance - CVE-2023-20057

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Main Vulnerability Database Vulnerabilities #VU71330

Security features bypass in Cisco Email Security Appliance - CVE-2023-20057

Published: January 18, 2023


Vulnerability identifier: #VU71330
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-20057
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Email Security Appliance

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass URL filtering.

The vulnerability exists due to improper processing of URLs. A remote attacker can bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device.


How to mitigate CVE-2023-20057

Install updates from vendor's website.

Sources