KeyCloak up to 12.x Client Registration Endpoint missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in KeyCloak up to 12.x. Affected by this vulnerability is an unknown functionality of the component Client Registration Endpoint. Executing a manipulation can lead to missing authentication. This vulnerability is registered as CVE-2020-27838. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in KeyCloak up to 12.x. This vulnerability affects some unknown functionality of the component Client Registration Endpoint. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 03/09/2021. The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2020-27838. The technical details are unknown and an exploit is not available.

Upgrading to version 13.0.0 eliminates this vulnerability.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
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: Missing authentication
CWE: CWE-306 / 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: KeyCloak 13.0.0

Timelineinfo

10/27/2020 🔍
03/09/2021 +133 days 🔍
03/09/2021 +0 days 🔍
03/29/2021 +20 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-27838 (🔍)
GCVE (CVE): GCVE-0-2020-27838
GCVE (VulDB): GCVE-100-170830

Entryinfo

Created: 03/09/2021 07:52
Updated: 03/29/2021 08:23
Changes: 03/09/2021 07:52 (37), 03/29/2021 08:16 (5), 03/29/2021 08:23 (18)
Complete: 🔍
Cache ID: 216::103

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