Nextcloud Server up to 17.0.7/18.0.6/19.0.0 permission

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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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Nextcloud Server up to 17.0.7/18.0.6/19.0.0. This issue affects some unknown processing. The manipulation leads to permission. This vulnerability is uniquely identified as CVE-2020-8223. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Nextcloud Server up to 17.0.7/18.0.6/19.0.0 (Cloud Software). It has been rated as critical. This issue affects some unknown processing. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 07/16/2020 as NC-SA-2020-029. It is possible to read the advisory at web.nvd.nist.gov. The identification of this vulnerability is CVE-2020-8223. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Upgrading to version 17.0.8, 18.0.7 or 19.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Permission
CWE: CWE-275 / 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: Server 17.0.8/18.0.7/19.0.1

Timelineinfo

01/28/2020 🔍
07/16/2020 +169 days 🔍
07/16/2020 +0 days 🔍
10/06/2020 +82 days 🔍
11/16/2020 +41 days 🔍

Sourcesinfo

Advisory: NC-SA-2020-029
Status: Confirmed

CVE: CVE-2020-8223 (🔍)
GCVE (CVE): GCVE-0-2020-8223
GCVE (VulDB): GCVE-100-162287

Entryinfo

Created: 10/06/2020 09:56
Updated: 11/16/2020 16:12
Changes: 10/06/2020 09:56 (22), 10/06/2020 09:57 (18), 11/15/2020 10:19 (4), 11/16/2020 16:07 (2), 11/16/2020 16:12 (14)
Complete: 🔍
Cache ID: 216::103

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