What is the CVSS score of CVE-2021-47777?

CVE-2021-47777 has a CVSS 3.1 base score of 8.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for CVE-2021-47777?

Yes, a public proof-of-concept exploit is available for CVE-2021-47777. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2021-47777?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Validate that input sanitization is in place for all user-controlled parameters.

CVE-2021-47777

HIGH

SQL Injection (CWE-89)

2026-01-15 disclosure@vulncheck.com

SQLi

8.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.2 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 16, 2026 - 15:55 vuln.today

Public exploit code

CVE Published

Jan 15, 2026 - 16:16 nvd

HIGH 8.2

DescriptionCVE.org

Build Smart ERP 21.0817 contains an unauthenticated SQL injection vulnerability in the 'eidValue' parameter of the login validation endpoint. Attackers can inject stacked SQL queries using payloads like ';WAITFOR DELAY '0:0:3'-- to manipulate database queries and potentially extract or modify database information.

AnalysisAI

Build Smart ERP 21.0817 contains an unauthenticated SQL injection vulnerability in the 'eidValue' parameter of the login validation endpoint. [CVSS 8.2 HIGH]

Technical ContextAI

Classified as CWE-89 (SQL Injection). Build Smart ERP 21.0817 contains an unauthenticated SQL injection vulnerability in the 'eidValue' parameter of the login validation endpoint. Attackers can inject stacked SQL queries using payloads like ';WAITFOR DELAY '0:0:3'-- to manipulate database queries and potentially extract or modify database information.

Affected ProductsAI

Component: validation.

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.

CVE-2021-47777 vulnerability details – vuln.today

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CVE-2021-47777

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code