How severe is CVE-2021-47777?

CVE-2021-47777 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2021-47777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2021-47777?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2021-47777 have an EU (EUVD) identifier?

Yes. CVE-2021-47777 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2758.

When was CVE-2021-47777 published?

CVE-2021-47777 was published on 2026-01-15 and last updated on 2026-06-17.

CVE-2021-47777

CVE-2021-47777 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. 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: High (CVSS 3.x base score 8.2)
CVSS v4: 8.8
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2758
Weakness: CWE-89
Published: 2026-01-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-47777?: 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.
How severe is CVE-2021-47777?: CVE-2021-47777 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2021-47777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2021-47777?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2021-47777 have an EU (EUVD) identifier?: Yes. CVE-2021-47777 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2758.
When was CVE-2021-47777 published?: CVE-2021-47777 was published on 2026-01-15 and last updated on 2026-06-17.

References

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