VDB-218922 · CVE-2023-20057 · GCVE-0-2023-20057

Cisco Email Security Appliance URL Filter access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Cisco Email Security Appliance and classified as critical. Affected by this vulnerability is an unknown functionality of the component URL Filter. The manipulation results in access control. This vulnerability is reported as CVE-2023-20057. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Email Security Appliance (Anti-Malware Software) (the affected version is unknown). It has been classified as critical. Affected is an unknown code of the component URL Filter. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 01/18/2023 as cisco-sa-esa-url-bypass-WbMQqNJh. The advisory is available at sec.cloudapps.cisco.com. This vulnerability is traded as CVE-2023-20057 since 10/27/2022. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/15/2023). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Anti-Malware Software

Vendor

Cisco

Name

Email Security Appliance

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 4.7
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
01/18/2023 +83 days 🔍
01/18/2023 +0 days 🔍
02/15/2023 +28 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-esa-url-bypass-WbMQqNJh
Status: Confirmed

CVE: CVE-2023-20057 (🔍)
GCVE (CVE): GCVE-0-2023-20057
GCVE (VulDB): GCVE-100-218922

Entryinfo

Created: 01/18/2023 19:24
Updated: 02/15/2023 08:48
Changes: 01/18/2023 19:24 (39), 02/15/2023 08:45 (1), 02/15/2023 08:48 (21)
Complete: 🔍
Cache ID: 216::103