CVE-2021-42334
CVE-2021-42334 is a high-severity vulnerability in Huaju Easytest Online Learning Test Platform with a CVSS 3.x base score of 8.8. 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-89.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Huaju Easytest Online Learning Test Platform
- Published:
- Last modified:
Description
The Easytest contains SQL injection vulnerabilities. After obtaining a user’s privilege, remote attackers can inject SQL commands into the parameters of the elective course management page to obtain all database and administrator permissions.
Frequently asked questions
- What is CVE-2021-42334?
- The Easytest contains SQL injection vulnerabilities. After obtaining a user’s privilege, remote attackers can inject SQL commands into the parameters of the elective course management page to obtain all database and administrator permissions.
- How severe is CVE-2021-42334?
- CVE-2021-42334 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-42334 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-42334?
- CVE-2021-42334 affects Huaju Easytest Online Learning Test Platform. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-42334?
- 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-2021-42334 published?
- CVE-2021-42334 was published on 2021-10-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:huaju:easytest_online_learning_test_platform:1705:*:*:*:*:*:*:*
More vulnerabilities in Huaju Easytest Online Learning Test Platform
- CVE-2021-42333 — High (CVSS 8.8): The Easytest contains SQL injection vulnerabilities. After obtaining user’s privilege, remote attackers can inject…
- CVE-2021-42335 — Medium (CVSS 5.4): Easytest bulletin board management function of online learning platform does not filter special characters. After…
- CVE-2021-42336 — Medium (CVSS 4.3): The learning history page of the Easytest is vulnerable by permission bypass. After obtaining a user’s permission,…
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