VDB-148604 · CVE-2020-5194 · GCVE-0-2020-5194

Cerberus FTP Server 8 zip API Endpoint zip_name authorization

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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cerberus FTP Server 8. Impacted is an unknown function of the file file/ajax_download_zip/zip_name of the component zip API Endpoint. Such manipulation leads to authorization. This vulnerability is traded as CVE-2020-5194. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Cerberus FTP Server 8 (File Transfer Software) and classified as problematic. Affected by this issue is an unknown functionality of the file file/ajax_download_zip/zip_name of the component zip API Endpoint. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is confidentiality. CVE summarizes:

The zip API endpoint in Cerberus FTP Server 8 allows an authenticated attacker without zip permission to use the zip functionality via an unrestricted API endpoint. Improper permission verification occurs when calling the file/ajax_download_zip/zip_name endpoint. The result is that a user without permissions can zip and download files even if they do not have permission to view whether the file exists.

The weakness was shared 01/14/2020. This vulnerability is handled as CVE-2020-5194 since 01/02/2020. The exploitation is known to be easy. The attack may be launched remotely. The successful exploitation needs a simple authentication. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

File Transfer Software

Vendor

Cerberus

Name

FTP Server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2020 🔍
01/14/2020 +12 days 🔍
01/14/2020 +0 days 🔍
03/20/2024 +1527 days 🔍

Sourcesinfo

Advisory: support.cerberusftp.com
Status: Not defined

CVE: CVE-2020-5194 (🔍)
GCVE (CVE): GCVE-0-2020-5194
GCVE (VulDB): GCVE-100-148604

Entryinfo

Created: 01/14/2020 19:29
Updated: 03/20/2024 20:49
Changes: 01/14/2020 19:29 (36), 01/14/2020 19:34 (18), 03/20/2024 20:49 (17)
Complete: 🔍
Cache ID: 216::103