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.
References
Link | Resource |
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https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WbMQqNJh | Vendor Advisory |
Configurations
Configuration 1 (hide)
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Information
Published : 2023-01-19 23:15
Updated : 2023-03-01 00:15
NVD link : CVE-2023-20057
Mitre link : CVE-2023-20057
JSON object : View
CWE
CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Products Affected
cisco
- email_security_appliance_c370d
- email_security_appliance_c690
- email_security_appliance_x1070
- email_security_appliance_c380
- email_security_appliance_c670
- email_security_appliance_c690x
- email_security_appliance_c190
- email_security_appliance_c160
- email_security_appliance_c390
- asyncos
- email_security_appliance_c680
- email_security_appliance_c170
- email_security_appliance_c370