How severe is CVE-2021-3278?

CVE-2021-3278 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-2021-3278 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3278?

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-2021-3278 published?

CVE-2021-3278 was published on 2021-01-26 and last updated on 2026-06-17.

CVE-2021-3278

CVE-2021-3278 is a critical-severity vulnerability in Local Services Search Engine Management System Project Local Services Search Engine Management System with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 25% places it in the 98th 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: 25% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Local Services Search Engine Management System Project Local Services Search Engine Management System
Published: 2021-01-26
Last modified: 2026-06-17

Description

Local Service Search Engine Management System 1.0 has a vulnerability through authentication bypass using SQL injection . Using this vulnerability, an attacker can bypass the login page.

Frequently asked questions

What is CVE-2021-3278?: Local Service Search Engine Management System 1.0 has a vulnerability through authentication bypass using SQL injection . Using this vulnerability, an attacker can bypass the login page.
How severe is CVE-2021-3278?: CVE-2021-3278 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-2021-3278 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3278?: CVE-2021-3278 affects Local Services Search Engine Management System Project Local Services Search Engine Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3278?: 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-2021-3278 published?: CVE-2021-3278 was published on 2021-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:local_services_search_engine_management_system_project:local_services_search_engine_management_system:1.0:*:*:*:*:*:*:*

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