VulnerabilityModified
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.
HIGH 8.0EPSS 1.13%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.0 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.13% probability · 66th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-345
- Affected
- nextcloud/nextcloud server · opensuse/backports
- Source
- support@hackerone.com
EPSS 1.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.htmlMailing List, Third Party Advisory
- https://hackerone.com/reports/697959Patch, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-002Broken Link, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.htmlMailing List, Third Party Advisory
- https://hackerone.com/reports/697959Patch, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-002Broken Link, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.