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CVE-2023-20057

Severity CVSS v4.0:
Pending analysis
Type:
CWE-74 Injection
Publication date:
20/01/2023
Last modified:
25/01/2024

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.<br /> <br /> 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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x
5.30
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:asyncos:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c160:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c170:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c190:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c370:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c370d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c380:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c390:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c670:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c680:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c690:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_c690x:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:email_security_appliance_x1070:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools