CVE-2021-43498

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 74.9%
KEV: Not listed

Published

April 8, 2022

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://github.com/atutor/ATutor/blob/master/password_reminder.php
cve@mitrehttps://packetstormsecurity.com/files/157563/ATutor-LMS-2.2.4-Weak-Password-Reset-Hash.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/atutor/ATutor/blob/master/password_reminder.php
af854a3a-2127-422b-91ae-364da2661108https://packetstormsecurity.com/files/157563/ATutor-LMS-2.2.4-Weak-Password-Reset-Hash.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-640Weak Password Recovery Mechanism for Forgotten Password

Data Freshness Timeline

(refreshed 9× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 00:18 UTCEG score recompute
2026-05-26 00:18 UTCGHSA enrichment
2026-05-24 20:12 UTCOSV refresh

Frequently asked(5)

What is CVE-2021-43498?

CVE-2021-43498 is a high vulnerability published on April 8, 2022. An Access Control vulnerability exists in ATutor 2.2.4 in passwordreminder.php when the g, id, h, formpasswordhidden, and formchange HTTP POST parameters are set.

When was CVE-2021-43498 disclosed?

CVE-2021-43498 was first published in the National Vulnerability Database on April 8, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-43498 actively exploited?

CVE-2021-43498 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-43498?

CVE-2021-43498 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-43498?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-43498, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2021-43498

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-43498?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)