// For flags

CVE-2023-20057

 

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-10-27 CVE Reserved
  • 2023-01-19 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-08-11 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
  • CWE-792: Incomplete Filtering of One or More Instances of Special Elements
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C160
Search vendor "Cisco" for product "Email Security Appliance C160"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C170
Search vendor "Cisco" for product "Email Security Appliance C170"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C190
Search vendor "Cisco" for product "Email Security Appliance C190"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C370
Search vendor "Cisco" for product "Email Security Appliance C370"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C370d
Search vendor "Cisco" for product "Email Security Appliance C370d"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C380
Search vendor "Cisco" for product "Email Security Appliance C380"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C390
Search vendor "Cisco" for product "Email Security Appliance C390"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C670
Search vendor "Cisco" for product "Email Security Appliance C670"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C680
Search vendor "Cisco" for product "Email Security Appliance C680"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C690
Search vendor "Cisco" for product "Email Security Appliance C690"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance C690x
Search vendor "Cisco" for product "Email Security Appliance C690x"
--
Safe
Cisco
Search vendor "Cisco"
Asyncos
Search vendor "Cisco" for product "Asyncos"
--
Affected
in Cisco
Search vendor "Cisco"
Email Security Appliance X1070
Search vendor "Cisco" for product "Email Security Appliance X1070"
--
Safe