Tcexam
CVE-2023-6554
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.24%. |
| Exploit ScenarioDerived | A remote attacker could access resources or perform actions without proper authorization checks by sending crafted requests to the affected application. |
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Alert meAnalysisAIv1 – Mar 28, 2026
When access to the "admin" folder is not protected by some external authorization mechanisms e.g. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Earlier versions of this analysis (1)
When access to the "admin" folder is not protected by some external authorization mechanisms e.g. Apache Basic Auth, it is possible for any user to download protected information like exam answers.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. When access to the "admin" folder is not protected by some external authorization mechanisms e.g. Apache Basic Auth, it is possible for any user to download protected information like exam answers. Affected products include: Tecnick Tcexam.
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
When access to the "admin" folder is not protected by some external authorization mechanisms e.g. Apache Basic Auth, it is possible for any user to download protected information like exam answers.
Executive ViewAI
CVE-2023-6554 presents notable security risk, a missing authorization vulnerability rated CVSS 6.5. Attackers could gain access beyond their authorized level. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
When installed following the default/recommended settings, TCExam <= 14.8.1 allowed unauthenticated users to access the
Cross-site request forgery in TCExam 14.2.2 allows a remote attacker to perform sensitive application actions by trickin
Multiple SQL injection vulnerabilities in TCExam before 11.3.008 allow remote authenticated users with level 5 or greate
A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.4. Rated medium severity (CVSS 6.1), this vulner
A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.3. Rated medium severity (CVSS 6.1), this vulner
Insufficient output sanitization in TCExam 14.2.2 allows a remote, unauthenticated attacker to conduct persistent cross-
Insufficient output sanitization in TCExam 14.2.2 allows a remote, unauthenticated attacker to conduct persistent cross-
Multiple SQL injection vulnerabilities in Nicola Asuni TCExam before 11.3.009 allow remote authenticated users with leve
A stored cross-site scripting vulnerability exists in TCExam <= 14.8.1. Rated medium severity (CVSS 5.4), this vulnerabi
A stored cross-site scripting vulnerability exists in TCExam <= 14.8.1. Rated medium severity (CVSS 5.4), this vulnerabi
Insufficient output sanitization in TCExam 14.2.2 allows a remote, authenticated attacker to conduct persistent cross-si
Insufficient output sanitization in TCExam 14.2.2 allows a remote, authenticated attacker to conduct persistent cross-si
GitHub PoC
Exploit-DB