cPanel up to 82.0.17 WebMail 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 (≈)
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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.
7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in cPanel up to 82.0.17. This affects an unknown part of the component WebMail. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2019-20490. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in cPanel up to 82.0.17 (Hosting Control Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component WebMail. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

cPanel before 82.0.18 allows authentication bypass because webmail usernames are processed inconsistently (SEC-499).

The weakness was disclosed 03/17/2020. This vulnerability is known as CVE-2019-20490 since 03/05/2020. The attack can be launched remotely. The successful exploitation needs a single authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 82.0.18 eliminates this vulnerability.

The entries VDB-151751, VDB-151750, VDB-151749 and VDB-151748 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: cPanel 82.0.18

Timelineinfo

03/05/2020 🔍
03/17/2020 +12 days 🔍
03/18/2020 +1 days 🔍
04/17/2024 +1491 days 🔍

Sourcesinfo

Advisory: documentation.cpanel.net
Status: Not defined

CVE: CVE-2019-20490 (🔍)
GCVE (CVE): GCVE-0-2019-20490
GCVE (VulDB): GCVE-100-151747
See also: 🔍

Entryinfo

Created: 03/18/2020 07:58
Updated: 04/17/2024 08:53
Changes: 03/18/2020 07:58 (37), 03/18/2020 08:03 (18), 04/17/2024 08:53 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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