CVE-2019-15617
mediumpriority · track · 22EPSS 0.006 · 49 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.61% (49th) EPSS
CVSS 5.5 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-27
A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.
01
cvss
Technical severity, 0–10. One row per scoring source.
5.5
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.5
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (2)
Products and version ranges known to be affected.
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
06
references (7)
External citations — patches, advisories, analysis.
- https://hackerone.com/reports/722748cnnvd
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-006cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-15617cnnvd
- https://hackerone.com/reports/722748enisa_euvd
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-006enisa_euvd
- https://hackerone.com/reports/722748Permissions Requirednvd
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-006Vendor Advisorynvd
scry
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