#VU55562 Improper Protection of Alternate Path


Published: 2021-08-04

Vulnerability identifier: #VU55562

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35949

CWE-ID: CWE-424

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ownCloud Server
Web applications / Modules and components for CMS

Vendor: ownCloud

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ownCloud Server: 10.0 - 10.7.0


CPE

External links
http://owncloud.com/security-advisories/cve-2021-35949/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability