How severe is CVE-2021-43498?

CVE-2021-43498 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-43498 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43498?

CVE-2021-43498 affects Atutor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43498?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-43498 published?

CVE-2021-43498 was published on 2022-04-08 and last updated on 2026-06-17.

CVE-2021-43498

CVE-2021-43498 is a high-severity vulnerability in Atutor with a CVSS 3.x base score of 7.5. 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-640.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-640
Affected product: Atutor
Published: 2022-04-08
Last modified: 2026-06-17

Description

An Access Control vulnerability exists in ATutor 2.2.4 in password_reminder.php when the g, id, h, form_password_hidden, and form_change HTTP POST parameters are set.

Frequently asked questions

What is CVE-2021-43498?: An Access Control vulnerability exists in ATutor 2.2.4 in password_reminder.php when the g, id, h, form_password_hidden, and form_change HTTP POST parameters are set.
How severe is CVE-2021-43498?: CVE-2021-43498 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-43498 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43498?: CVE-2021-43498 affects Atutor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43498?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-43498 published?: CVE-2021-43498 was published on 2022-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:atutor:atutor:2.2.4:*:*:*:*:*:*:*

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