Nextcloud Server up to 19.0.12/20.0.10/20.10/21.0.2 Shareinfo Endpoint information disclosure

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
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Nextcloud Server up to 19.0.12/20.0.10/20.10/21.0.2. This issue affects some unknown processing of the component Shareinfo Endpoint. This manipulation causes information disclosure. This vulnerability appears as CVE-2021-32703. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Nextcloud Server up to 19.0.12/20.0.10/20.10/21.0.2 (Cloud Software) and classified as problematic. Affected by this vulnerability is some unknown processing of the component Shareinfo Endpoint. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was presented 07/12/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-32703. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 19.0.13, 20.0.11, 20.011 or 21.0.3 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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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 Server 19.0.13/20.0.11/20.011/21.0.3
Patch: github.com

Timelineinfo

05/12/2021 🔍
07/12/2021 +61 days 🔍
07/12/2021 +0 days 🔍
07/15/2021 +3 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32703 (🔍)
GCVE (CVE): GCVE-0-2021-32703
GCVE (VulDB): GCVE-100-178303

Entryinfo

Created: 07/12/2021 20:49
Updated: 07/15/2021 16:26
Changes: 07/12/2021 20:49 (39), 07/15/2021 16:17 (6), 07/15/2021 16:26 (1)
Complete: 🔍
Cache ID: 216::103

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