CVE-2021-20111

Published: Jul 29, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-79

5.4MEDIUM

NVD MITRE

Description

A stored cross-site scripting vulnerability exists in TCExam <= 14.8.1. Valid files uploaded via tce_filemanager.php with a filename beggining with a period will be rendered as text/html. An attacker with access to tce_filemanager.php could upload a malicious javascript payload which would be triggered when another user views the file.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-79

Affected Products

Nicola Asuni

individual-dev

TCExamOn-prem

Web & CMS Plugins / cms-core

tecnick

individual-devaka tcpdf, aiocp, tcexam

tcexamLibrary

OSS Libraries / generic-library

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2021-20111

nvd.nist.gov

https://www.tenable.com/security/research/tra-2021-32

tenable.com

https://github.com/tecnickcom/tcexam/commit/99ee2e02849c6285c5b9f18f31a1b5938d97191b

github.com

and 1 more references View all →

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Exploit details & PoC links

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