How severe is CVE-2021-20113?

CVE-2021-20113 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-20113 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20113?

CVE-2021-20113 affects Tecnick Tcexam. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-20113?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-20113 published?

CVE-2021-20113 was published on 2021-07-30 and last updated on 2026-06-17.

CVE-2021-20113

CVE-2021-20113 is a medium-severity vulnerability in Tecnick Tcexam with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Tecnick Tcexam
Published: 2021-07-30
Last modified: 2026-06-17

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

Frequently asked questions

What is 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
How severe is CVE-2021-20113?: CVE-2021-20113 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-20113 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20113?: CVE-2021-20113 affects Tecnick Tcexam. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-20113?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-20113 published?: CVE-2021-20113 was published on 2021-07-30 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:tecnick:tcexam:*:*:*:*:*:*:*:*

More vulnerabilities in Tecnick Tcexam

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CVE-2012-4237 — Medium (CVSS 6.8): Multiple SQL injection vulnerabilities in TCExam before 11.3.008 allow remote authenticated users with level 5 or…
CVE-2010-2153 — Medium (CVSS 6.8): Unrestricted file upload vulnerability in admin/code/tce_functions_tcecode_editor.php in TCExam 10.1.006 and 10.1.007…
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CVE-2021-20116 — Medium (CVSS 6.1): A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.4. The paths provided in the f, d, and dir…

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