Medium severity · published Feb 4, 2020
CVE-2019-15623
Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's domain and user IDs to the Nextcloud Lookup Server without any further data when the…
5.3
CVSS
1.9%
EPSS
No
On KEV
Description
Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's domain and user IDs to the Nextcloud Lookup Server without any further data when the Lookup server is disabled.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BS
Backports Sle · Opensuse
15.0 · source: NVD
NS
Nextcloud Server · Nextcloud
before 14.0.13; 15.0.0 before 15.0.9; 16.0.0 before 16.0.2 · source: NVD
PH
Package Hub · Suse
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15623
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15623
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html
Exploit
https://hackerone.com/reports/508490
Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2019-016
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