What is CVE-2021-20113?

CVE-2021-20113 is a medium-severity vulnerability in Tecnick Tcexam, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2021-07-30.

How severe is CVE-2021-20113?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2021-20113 known to be exploited?

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

Vulnerability in Tecnick Tcexam

CVE-2021-20113

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

EPSS: 0.013 (67.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Tecnick Tcexam
N/a Tcexam — versions 14.8.1

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-20113?: CVE-2021-20113 is a medium-severity vulnerability in Tecnick Tcexam, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2021-07-30.
How severe is CVE-2021-20113?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2021-20113 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.