CVE-2020-8153
Title: Nextcloud Groupfolders app Improper Access Control
Arbitrary File Access
Proof Of Concept
No public PoC currently indexed for CVE-2020-8153.
CWE Category
CWE-732
Published Date
May 12, 2020
Modified Date
Jun 17, 2026
Exploit Status
Not Found
Score
8.1
CVSS v3.1
Exploit Probability (EPSS)
1.86%
Vulnerability Summary
CVE-2020-8153: Improper access control in Groupfolders app 4.0.3 allowed to delete hidden directories when when renaming an accessible item to the same name.
Impacted Vendors
Reference Links
https://hackerone.com/reports/642515
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
https://nextcloud.com/security/advisory/?id=NC-SA-2020-017
https://hackerone.com/reports/642515
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
https://nextcloud.com/security/advisory/?id=NC-SA-2020-017
CVSS v3.1
Source Entity
[email protected]
Severity
HIGH
8.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v2.0
Source Entity
[email protected]
Severity
MEDIUM
5.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR
AV:N/AC:L/Au:S/C:N/I:P/A:P
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2020-8153 Exploits & PoCs (Proof Of Concept)
No public PoCs found in our database for this CVE.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data or affected products updated.
PUBLISHED
Vulnerability first announced in NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected Stack
No specific products linked.