How severe is CVE-2021-44427?

CVE-2021-44427 has a CVSS 3.x base score of 9.8, 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 high, and availability high.

Is CVE-2021-44427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 51% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44427?

CVE-2021-44427 affects Rosariosis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44427?

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-2021-44427 published?

CVE-2021-44427 was published on 2021-11-29 and last updated on 2026-06-17.

CVE-2021-44427

CVE-2021-44427 is a critical-severity vulnerability in Rosariosis with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 51% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 51% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Rosariosis
Published: 2021-11-29
Last modified: 2026-06-17

Description

An unauthenticated SQL Injection vulnerability in Rosario Student Information System (aka rosariosis) before 8.1.1 allows remote attackers to execute PostgreSQL statements (e.g., SELECT, INSERT, UPDATE, and DELETE) through /Side.php via the syear parameter.

Frequently asked questions

What is CVE-2021-44427?: An unauthenticated SQL Injection vulnerability in Rosario Student Information System (aka rosariosis) before 8.1.1 allows remote attackers to execute PostgreSQL statements (e.g., SELECT, INSERT, UPDATE, and DELETE) through /Side.php via the syear parameter.
How severe is CVE-2021-44427?: CVE-2021-44427 has a CVSS 3.x base score of 9.8, 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 high, and availability high.
Is CVE-2021-44427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 51% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44427?: CVE-2021-44427 affects Rosariosis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44427?: 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-2021-44427 published?: CVE-2021-44427 was published on 2021-11-29 and last updated on 2026-06-17.

References

https://gitlab.com/francoisjacquet/rosariosis/-/issues/328

Affected products (1)

cpe:2.3:a:rosariosis:rosariosis:*:*:*:*:*:*:*:*

More vulnerabilities in Rosariosis

CVE-2022-2714 — Critical (CVSS 9.8): Improper Handling of Length Parameter Inconsistency in GitHub repository francoisjacquet/rosariosis prior to 10.0.
CVE-2021-44567 — Critical (CVSS 9.8): An unauthenticated SQL Injection vulnerability exists in RosarioSIS before 7.6.1 via the votes parameter in…
CVE-2022-2067 — Critical (CVSS 9.1): SQL Injection in GitHub repository francoisjacquet/rosariosis prior to 9.0.
CVE-2023-2665 — High (CVSS 7.5): Storage of Sensitive Data in a Mechanism without Access Control in GitHub repository francoisjacquet/rosariosis prior…
CVE-2023-0994 — High (CVSS 7.5): Exposure of Sensitive Information to an Unauthorized Actor in GitHub repository francoisjacquet/rosariosis prior to…
CVE-2023-2202 — Medium (CVSS 6.5): Improper Access Control in GitHub repository francoisjacquet/rosariosis prior to 10.9.3.

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