Medium severity · published Feb 4, 2020
CVE-2020-8117
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event
4.3
CVSS
0.7%
EPSS
No
On KEV
Description
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Nextcloud Server · Nextcloud
before 12.0.13; 13.0.0 before 13.0.8; 14.0.0 before 14.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8117
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8117
Permissions Required
https://hackerone.com/reports/439828
Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-013
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