Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-15624

Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.9, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 3 products from nextcloud, from opensuse, from suse organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-02-04T20:15:12.747

Last Modified

2024-11-21T04:29:09.207

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	nextcloud_server	< 14.0.11	Yes
Application	nextcloud	nextcloud_server	< 15.0.8	Yes
Operating System	opensuse	backports	sle-15	Yes
Operating System	suse	suse_linux_enterprise_server	12	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html Mailing List, Third Party Advisory ([email protected])
https://hackerone.com/reports/508493 Exploit, Third Party Advisory ([email protected])
https://nextcloud.com/security/advisory/?id=NC-SA-2019-015 Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/508493 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://nextcloud.com/security/advisory/?id=NC-SA-2019-015 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For nextcloud's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.