VDB-139244 · CVE-2018-20937 · GCVE-0-2018-20937

cPanel up to 68.0.26 Rename User Name improper authentication

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in cPanel up to 68.0.26. The affected element is an unknown function of the component Rename Handler. Such manipulation leads to improper authentication (User Name). This vulnerability is traded as CVE-2018-20937. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in cPanel up to 68.0.26 (Hosting Control Software) and classified as problematic. Affected by this issue is an unknown function of the component Rename Handler. The manipulation with an unknown input leads to a improper authentication vulnerability (User Name). Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality. CVE summarizes:

cPanel before 68.0.27 does not validate database and dbuser names during renames (SEC-321).

The weakness was shared 08/01/2019 (Website). The advisory is shared for download at documentation.cpanel.net. This vulnerability is handled as CVE-2018-20937 since 07/31/2019. The exploitation is known to be easy. The attack may be launched remotely. The successful exploitation requires a simple authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 68.0.27 eliminates this vulnerability.

The entries VDB-139243, VDB-139245, VDB-139246 and VDB-139247 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Hosting Control Software

Name

cPanel

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
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

Name: User Name
Class: Improper authentication / User Name
CWE: CWE-287
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: 🔍

Upgrade: cPanel 68.0.27

Timelineinfo

07/31/2019 🔍
08/01/2019 +1 days 🔍
08/02/2019 +1 days 🔍
07/18/2020 +351 days 🔍

Sourcesinfo

Advisory: documentation.cpanel.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-20937 (🔍)
GCVE (CVE): GCVE-0-2018-20937
GCVE (VulDB): GCVE-100-139244
See also: 🔍

Entryinfo

Created: 08/02/2019 11:49
Updated: 07/18/2020 11:15
Changes: 08/02/2019 11:49 (58), 07/18/2020 11:15 (1)
Complete: 🔍
Cache ID: 216::103