Improper access control in TCExam - CVE-2021-20114
Published: July 22, 2021
Vulnerability identifier: #VU55247
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-20114
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
TCExam
How to mitigate CVE-2021-20114
Install updates from vendor's website.
TCExam - update to 14.8.3