What is CVE-2021-20115?

CVE-2021-20115 is a medium-severity vulnerability in Tecnick Tcexam, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-05.

How severe is CVE-2021-20115?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-20115 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Tecnick Tcexam

CVE-2021-20115

A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.3. The paths provided in the f, d, and dir parameters in tce_filemanager.php were not properly validated and could cause reflected XSS via the unsanitized output of the path supplied. An attacker could craft a malicious link which, if triggered by an administrator, could result in the attacker hijacking the victim's session or performing actions on their behalf.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (57.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Tecnick Tcexam
N/a Tcexam — versions <= 14.8.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-20115?: CVE-2021-20115 is a medium-severity vulnerability in Tecnick Tcexam, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-05.
How severe is CVE-2021-20115?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-20115 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.