How severe is CVE-2020-10505?

CVE-2020-10505 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-2020-10505 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-2020-10505?

CVE-2020-10505 affects The School Manage System Project The School Manage System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10505?

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-2020-10505 published?

CVE-2020-10505 was published on 2020-04-15 and last updated on 2026-06-17.

CVE-2020-10505

CVE-2020-10505 is a critical-severity vulnerability in The School Manage System Project The School Manage System with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: The School Manage System Project The School Manage System
Published: 2020-04-15
Last modified: 2026-06-17

Description

The School Manage System before 2020, developed by ALLE INFORMATION CO., LTD., contains a vulnerability of SQL Injection, an attacker can use a union based injection query string to get databases schema and username/password.

Frequently asked questions

What is CVE-2020-10505?: The School Manage System before 2020, developed by ALLE INFORMATION CO., LTD., contains a vulnerability of SQL Injection, an attacker can use a union based injection query string to get databases schema and username/password.
How severe is CVE-2020-10505?: CVE-2020-10505 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-2020-10505 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-2020-10505?: CVE-2020-10505 affects The School Manage System Project The School Manage System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10505?: 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-2020-10505 published?: CVE-2020-10505 was published on 2020-04-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:the_school_manage_system_project:the_school_manage_system:-:*:*:*:*:*:*:*

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