How severe is CVE-2021-30112?

CVE-2021-30112 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-30112 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-30112?

CVE-2021-30112 affects Web-school Enterprise Resource Planning. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-30112?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-30112 published?

CVE-2021-30112 was published on 2021-04-08 and last updated on 2026-06-17.

CVE-2021-30112

CVE-2021-30112 is a medium-severity vulnerability in Web-school Enterprise Resource Planning with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Web-school Enterprise Resource Planning
Published: 2021-04-08
Last modified: 2026-06-17

Description

Web-School ERP V 5.0 contains a cross-site request forgery (CSRF) vulnerability that allows a remote attacker to create a student_leave_application request through module/core/studentleaveapplication/create. The application fails to validate the CSRF token for a POST request using Guardian privilege.

Frequently asked questions

What is CVE-2021-30112?: Web-School ERP V 5.0 contains a cross-site request forgery (CSRF) vulnerability that allows a remote attacker to create a student_leave_application request through module/core/studentleaveapplication/create. The application fails to validate the CSRF token for a POST request using Guardian privilege.
How severe is CVE-2021-30112?: CVE-2021-30112 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-30112 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30112?: CVE-2021-30112 affects Web-school Enterprise Resource Planning. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-30112?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-30112 published?: CVE-2021-30112 was published on 2021-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:web-school:enterprise_resource_planning:5.0:*:*:*:*:*:*:*

More vulnerabilities in Web-school Enterprise Resource Planning

CVE-2021-30114 — Medium (CVSS 6.5): Web-School ERP V 5.0 contains a cross-site request forgery (CSRF) vulnerability that allows a remote attacker to create…
CVE-2021-30113 — Medium (CVSS 6.1): A blind XSS vulnerability exists in Web-School ERP V 5.0 via (Add Events) in event name and description fields. An…
CVE-2021-30111 — Medium (CVSS 5.4): A stored XSS vulnerability exists in Web-School ERP V 5.0 via (Add Events) in the event name and description fields. An…

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