CVE-2023-20057
5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Exploitability: 3.9 / Impact: 1.4
Source: NVD
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 (1)
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| All versions |
| Running on/with | Platform Versions |
|---|---|
Cisco Email Security Appliance C160 | All versions |
Cisco Email Security Appliance C170 | All versions |
Cisco Email Security Appliance C190 | All versions |
Cisco Email Security Appliance C370 | All versions |
Cisco Email Security Appliance C370d | All versions |
Cisco Email Security Appliance C380 | All versions |
Cisco Email Security Appliance C390 | All versions |
Cisco Email Security Appliance C670 | All versions |
Cisco Email Security Appliance C680 | All versions |
Cisco Email Security Appliance C690 | All versions |
Cisco Email Security Appliance C690x | All versions |
Cisco Email Security Appliance X1070 | All versions |
Related CWEs
CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
CWE-792
Incomplete Filtering of One or More Instances of Special Elements
The product receives data from an upstream component, but does not completely filter one or more instances of special elements before sending it to a downstream component.
References (2)
Source: psirt@cisco.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Timeline
No history available yet.