Keycloak SOAP Request improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Keycloak. It has been declared as critical. This affects an unknown part of the component SOAP Request Handler. The manipulation results in improper authentication. This vulnerability is identified as CVE-2021-3827. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Keycloak (version now known). Affected is some unknown processing of the component SOAP Request Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in keycloak, where the default ECP binding flow allows other authentication flows to be bypassed. By exploiting this behavior, an attacker can bypass the MFA authentication by sending a SOAP request with an AuthnRequest and Authorization header with the user's credentials. The highest threat from this vulnerability is to confidentiality and integrity.

The weakness was released 08/24/2022 as GHSA-4pc7-vqv5-5r3v. The advisory is available at github.com. This vulnerability is traded as CVE-2021-3827 since 09/24/2021. The technical details are unknown and an exploit is not available.

Applying the patch 44000caaf5051d7f218d1ad79573bd3d175cad0d is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 44000caaf5051d7f218d1ad79573bd3d175cad0d

Timelineinfo

09/24/2021 🔍
08/24/2022 +334 days 🔍
08/24/2022 +0 days 🔍
09/25/2022 +32 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-4pc7-vqv5-5r3v
Status: Confirmed

CVE: CVE-2021-3827 (🔍)
GCVE (CVE): GCVE-0-2021-3827
GCVE (VulDB): GCVE-100-207066

Entryinfo

Created: 08/24/2022 09:16
Updated: 09/25/2022 09:34
Changes: 08/24/2022 09:16 (40), 09/25/2022 09:34 (11)
Complete: 🔍
Cache ID: 216::103

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

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