Medium severity · published Feb 4, 2020
CVE-2020-8119
Improper authorization in Nextcloud server 17.0.0 causes leaking of previews and files when a file-drop share link is opened via the gallery app
4.3
CVSS
0.9%
EPSS
No
On KEV
Description
Improper authorization in Nextcloud server 17.0.0 causes leaking of previews and files when a file-drop share link is opened via the gallery app.
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)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Nextcloud Server · Nextcloud
before 15.0.13; 16.0.0 before 16.0.6; 17.0.0 before 17.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8119
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8119
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html
Third Party Advisory
https://hackerone.com/reports/719426
Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2019-012
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