What is CVE-2021-20111?

CVE-2021-20111 is a medium-severity vulnerability in Tecnick Tcexam, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-07-30.

How severe is CVE-2021-20111?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Tecnick Tcexam

CVE-2021-20111

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Tecnick Tcexam
N/a Tcexam — versions 14.8.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20111?: CVE-2021-20111 is a medium-severity vulnerability in Tecnick Tcexam, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-07-30.
How severe is CVE-2021-20111?: Medium severity. CVSS v3 base score is 5.4 out of 10.