#VU50862 Path traversal

Published: 2021-02-23

Vulnerability identifier: #VU50862

Vulnerability risk: Low

CVSSv3: 5.7 [CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-29026


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Server applications / Remote access servers, VPN



The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the file upload function. A remote administrator can send a specially crafted HTTP request to read and write arbitrary files in the Linux file system.

Install update from vendor's website.

Vulnerable software versions

GateManager: before 9.2c

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged 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