CVE-2019-15617
CVE-2019-15617 is a medium-severity vulnerability in Nextcloud Nextcloud Server with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 5.5
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Nextcloud Nextcloud Server
- Published:
- Last modified:
Description
A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.
Frequently asked questions
- What is CVE-2019-15617?
- A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.
- How severe is CVE-2019-15617?
- CVE-2019-15617 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2019-15617 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-15617?
- CVE-2019-15617 affects Nextcloud Nextcloud Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-15617?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-15617 published?
- CVE-2019-15617 was published on 2020-02-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
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