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Vulnerability Details :

CVE-2020-8227

Summary
Assigner-hackerone
Assigner Org ID-36234546-b8fa-4601-9d6f-f4e334aa8ea1
Published At-21 Aug, 2020 | 20:33
Updated At-04 Aug, 2024 | 09:56
Rejected At-
Credits

Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:hackerone
Assigner Org ID:36234546-b8fa-4601-9d6f-f4e334aa8ea1
Published At:21 Aug, 2020 | 20:33
Updated At:04 Aug, 2024 | 09:56
Rejected At:
▼CVE Numbering Authority (CNA)

Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.

Affected Products
Vendor
n/a
Product
Desktop Client
Versions
Affected
  • 2.6.5
Problem Types
TypeCWE IDDescription
CWECWE-22Path Traversal (CWE-22)
Type: CWE
CWE ID: CWE-22
Description: Path Traversal (CWE-22)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://hackerone.com/reports/590319
x_refsource_MISC
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032
x_refsource_MISC
https://security.gentoo.org/glsa/202009-09
vendor-advisory
x_refsource_GENTOO
Hyperlink: https://hackerone.com/reports/590319
Resource:
x_refsource_MISC
Hyperlink: https://nextcloud.com/security/advisory/?id=NC-SA-2020-032
Resource:
x_refsource_MISC
Hyperlink: https://security.gentoo.org/glsa/202009-09
Resource:
vendor-advisory
x_refsource_GENTOO
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://hackerone.com/reports/590319
x_refsource_MISC
x_transferred
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032
x_refsource_MISC
x_transferred
https://security.gentoo.org/glsa/202009-09
vendor-advisory
x_refsource_GENTOO
x_transferred
Hyperlink: https://hackerone.com/reports/590319
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://nextcloud.com/security/advisory/?id=NC-SA-2020-032
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://security.gentoo.org/glsa/202009-09
Resource:
vendor-advisory
x_refsource_GENTOO
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:support@hackerone.com
Published At:21 Aug, 2020 | 21:15
Updated At:27 Sep, 2022 | 16:01

Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.8MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Primary2.07.1HIGH
AV:N/AC:H/Au:S/C:C/I:C/A:C
Type: Primary
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 7.1
Base severity: HIGH
Vector:
AV:N/AC:H/Au:S/C:C/I:C/A:C
CPE Matches

Nextcloud GmbH
nextcloud
>>desktop>>Versions before 2.6.5(exclusive)
cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*
Linux Kernel Organization, Inc
linux
>>linux_kernel>>-
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-22Primarynvd@nist.gov
CWE-22Secondarysupport@hackerone.com
CWE ID: CWE-22
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-22
Type: Secondary
Source: support@hackerone.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://hackerone.com/reports/590319support@hackerone.com
Exploit
Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032support@hackerone.com
Broken Link
Exploit
Vendor Advisory
https://security.gentoo.org/glsa/202009-09support@hackerone.com
Third Party Advisory
Hyperlink: https://hackerone.com/reports/590319
Source: support@hackerone.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://nextcloud.com/security/advisory/?id=NC-SA-2020-032
Source: support@hackerone.com
Resource:
Broken Link
Exploit
Vendor Advisory
Hyperlink: https://security.gentoo.org/glsa/202009-09
Source: support@hackerone.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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