CVE-2021-20113

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

An exposure of sensitive information vulnerability exists in TCExam <= 14.8.1. If a password reset request was made for an email address that was not registered with a user then we would be presented with an ‘unknown email’ error. If an email is given that is registered with a user then this error will not appear. A malicious actor could abuse this to enumerate the email addresses of

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-203

Affected software

Vendor	Product	Versions
n/a	TCExam	14.8.1

References

https://www.tenable.com/security/research/tra-2021-32Exploit, Third Party Advisory
https://www.tenable.com/security/research/tra-2021-32Exploit, Third Party Advisory

Timeline

Published: Jul 30, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-201147.5When installed following the default/recommended settings, TCExam <= 14.8.1 allowed unauthenticated users to access the /cache/backup/ direc CVE-2021-201156.1A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.3. The paths provided in the f, d, and dir parameters in tce_fileman CVE-2021-201166.1A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.4. The paths provided in the f, d, and dir parameters in tce_select_CVE-2021-201176.7Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local adm CVE-2021-201186.7Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local adm CVE-2021-201197.1The password change utility for the Arris SurfBoard SB8200 can have safety measures bypassed that allow any logged-in user to change the adm CVE-2021-20124.9Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges). Supported versions that are affected ar CVE-2021-201208.8The administration web interface for the Arris Surfboard SB8200 lacks any protections against cross-site request forgery attacks. This means CVE-2021-201214.0The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is vulnerable to an authenticated arbitrary file read. An authenticated CVE-2021-201227.2The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is affected by an authenticated command injection vulnerability in multi CVE-2021-201237.5A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet e CVE-2021-201247.5A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the WebServlet endpoint.