Nextcloud up to 20.0.12/21.0.4/22.1.x Two-factor Authentication improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Nextcloud up to 20.0.12/21.0.4/22.1.x. This issue affects some unknown processing of the component Two-factor Authentication Handler. Executing a manipulation can lead to improper authentication. This vulnerability appears as CVE-2021-41179. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Nextcloud up to 20.0.12/21.0.4/22.1.x (Cloud Software). It has been declared as problematic. This vulnerability affects an unknown part of the component Two-factor Authentication Handler. 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.

The weakness was presented 10/26/2021 as GHSA-7hvh-rc6f-px23. The advisory is available at github.com. This vulnerability was named CVE-2021-41179 since 09/15/2021. The technical details are unknown and an exploit is not available.

Upgrading to version 20.0.13, 21.0.5 or 22.2.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (GitHub, Inc.): 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nextcloud 20.0.13/21.0.5/22.2.0
Patch: github.com

Timelineinfo

09/15/2021 🔍
10/26/2021 +41 days 🔍
10/26/2021 +0 days 🔍
10/30/2021 +4 days 🔍

Sourcesinfo

Advisory: GHSA-7hvh-rc6f-px23
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41179 (🔍)
GCVE (CVE): GCVE-0-2021-41179
GCVE (VulDB): GCVE-100-185398

Entryinfo

Created: 10/26/2021 14:07
Updated: 10/30/2021 14:06
Changes: 10/26/2021 14:07 (51), 10/30/2021 14:01 (2), 10/30/2021 14:06 (1)
Complete: 🔍
Cache ID: 216::103

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