Vulnerability identifier: #VU55247

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20114

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TCExam
Client/Desktop applications / Other client software

Vendor: Tecnick.com

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the default/recommended settings. A remote attacker can access the /cache/backup/ directory, which included sensitive database backup files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TCExam: 12.0.013 - 14.8.1

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External links
http://www.tenable.com/security/research/tra-2021-32

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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.