Vulnerability identifier: #VU25460

Vulnerability risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-9029

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SyncServer
Server applications / Other server solutions

Vendor: Microsemi

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied passed via the newUserName parameter on the "User Creation, Deletion and Password Maintenance" screen (when creating a new user). A remote attacker can send a specially crafted HTTP request containing directory traversal sequences and read contents of arbitrary files on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

SyncServer: S100 - 2.90.70.3 - S350 - 2.80.1

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External links
http://sku11army.blogspot.com/2020/01/symmetricom-syncserver.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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