Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-15621

Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.

Published

2020-02-04T20:15:12.527

Last Modified

2024-11-21T04:29:08.857

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (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-281

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	nextcloud_server	< 14.0.13	Yes
Application	nextcloud	nextcloud_server	< 15.0.9	Yes
Application	nextcloud	nextcloud_server	< 16.0.2	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html ([email protected])
https://hackerone.com/reports/619484 Permissions Required ([email protected])
https://nextcloud.com/security/advisory/?id=NC-SA-2020-012 Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/619484 Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://nextcloud.com/security/advisory/?id=NC-SA-2020-012 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)