Nextcloud Deck 1.0.4 Attachment authorization

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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4.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Nextcloud Deck 1.0.4. The affected element is an unknown function of the component Attachment Handler. This manipulation causes authorization. The identification of this vulnerability is CVE-2020-8235. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Nextcloud Deck 1.0.4 (Cloud Software). Affected by this vulnerability is an unknown functionality of the component Attachment Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 07/15/2020 as NC-SA-2020-036. The advisory is shared at nextcloud.com. This vulnerability is known as CVE-2020-8235. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.0.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
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: Authorization
CWE: CWE-639 / CWE-285 / 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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Deck 1.0.5

Timelineinfo

01/28/2020 🔍
07/15/2020 +168 days 🔍
07/15/2020 +0 days 🔍
10/06/2020 +83 days 🔍
11/16/2020 +41 days 🔍

Sourcesinfo

Advisory: NC-SA-2020-036
Status: Confirmed

CVE: CVE-2020-8235 (🔍)
GCVE (CVE): GCVE-0-2020-8235
GCVE (VulDB): GCVE-100-162289

Entryinfo

Created: 10/06/2020 10:01
Updated: 11/16/2020 16:36
Changes: 10/06/2020 10:01 (41), 11/15/2020 10:19 (4), 11/16/2020 16:30 (2), 11/16/2020 16:36 (14)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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