How severe is CVE-2020-21012?

CVE-2020-21012 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-2020-21012 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-21012?

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-2020-21012 published?

CVE-2020-21012 was published on 2021-10-01 and last updated on 2026-06-17.

CVE-2020-21012

CVE-2020-21012 is a critical-severity vulnerability in Hotel And Lodge Booking Management System Project Hotel And Lodge Booking Management 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: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Hotel And Lodge Booking Management System Project Hotel And Lodge Booking Management System
Published: 2021-10-01
Last modified: 2026-06-17

Description

Sourcecodester Hotel and Lodge Management System 2.0 is vulnerable to unauthenticated SQL injection and can allow remote attackers to execute arbitrary SQL commands via the email parameter to the edit page for Customer, Room, Currency, Room Booking Details, or Tax Details.

Frequently asked questions

What is CVE-2020-21012?: Sourcecodester Hotel and Lodge Management System 2.0 is vulnerable to unauthenticated SQL injection and can allow remote attackers to execute arbitrary SQL commands via the email parameter to the edit page for Customer, Room, Currency, Room Booking Details, or Tax Details.
How severe is CVE-2020-21012?: CVE-2020-21012 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-2020-21012 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21012?: CVE-2020-21012 affects Hotel And Lodge Booking Management System Project Hotel And Lodge Booking Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21012?: 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-2020-21012 published?: CVE-2020-21012 was published on 2021-10-01 and last updated on 2026-06-17.

References

https://github.com/hitIer/web_test/tree/master/hotel

Affected products (1)

cpe:2.3:a:hotel_and_lodge_booking_management_system_project:hotel_and_lodge_booking_management_system:2.0:*:*:*:*:*:*:*

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