Improper Protection of Alternate Path in ownCloud Server - CVE-2021-35949
Published: August 4, 2021
Vulnerability identifier: #VU55562
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-35949
CWE-ID: CWE-424
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ownCloud
Affected software:
ownCloud Server
ownCloud Server
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerabiity exists due to the permission check for a file drop can be circumvented by using the shareinfo API. A remote authenticated attacker can see the files in the filedrop.
How to mitigate CVE-2021-35949
Install updates from vendor's website.