How severe is CVE-2021-43361?

CVE-2021-43361 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2021-43361 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43361?

CVE-2021-43361 affects Meddata Hbys. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43361?

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

When was CVE-2021-43361 published?

CVE-2021-43361 was published on 2021-11-16 and last updated on 2026-06-17.

CVE-2021-43361

CVE-2021-43361 is a critical-severity vulnerability in Meddata Hbys with a CVSS 3.x base score of 9.9. 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: Critical (CVSS 3.x base score 9.9)
CVSS v2: 7.5
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Meddata Hbys
Published: 2021-11-16
Last modified: 2026-06-17

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in MedData HBYS allows SQL Injection.This issue affects HBYS: from unspecified before 1.1.

Frequently asked questions

What is CVE-2021-43361?: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in MedData HBYS allows SQL Injection.This issue affects HBYS: from unspecified before 1.1.
How severe is CVE-2021-43361?: CVE-2021-43361 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2021-43361 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43361?: CVE-2021-43361 affects Meddata Hbys. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43361?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-43361 published?: CVE-2021-43361 was published on 2021-11-16 and last updated on 2026-06-17.

References

https://github.com/bartutku/CVE-2021-43361/blob/main/CVE-2021-43361.txt

Affected products (1)

cpe:2.3:a:meddata:hbys:*:*:*:*:*:*:*:*

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