High severity · published Feb 4, 2020
CVE-2019-15613
A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes
8.0
CVSS
1.1%
EPSS
No
On KEV
Description
A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Backports · Opensuse
sle-15 · source: NVD
NS
Nextcloud Server · Nextcloud
before 15.0.14; 16.0.0 before 16.0.7; 17.0.0 before 17.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15613
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15613
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html
Patch
https://hackerone.com/reports/697959
Broken Link
https://nextcloud.com/security/advisory/?id=NC-SA-2020-002
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