# CVE-2021-47777: Build Smart ERP 21.0817 - 'eidValue' SQL Injection (Unauthenticated)

> Unauthenticated attackers can inject SQL into the login endpoint to read or modify database information in Build Smart ERP.

- **Severity:** High 8.8 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Jan 2026
- **Updated:** 7 Apr 2026
- **Also known as:** GHSA-78pm-r8gh-wjm6

## What is CVE-2021-47777?

CVE-2021-47777 is a high-severity SQL injection vulnerability in Ribccs Build Smart ERP, published on 15 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2021-47777?


## How do I fix CVE-2021-47777?

No fix has been published for CVE-2021-47777 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-47777 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47777 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-47777 and fix it if it is affected.

What it is: CVE-2021-47777 is a high-severity SQL injection vulnerability in Ribccs Build Smart ERP, published on 15 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47777 exists.

Affected product: Ribccs Build Smart ERP. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-47777/ (Markdown: https://insights.sbomify.com/CVE-2021-47777/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-47777
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-47777
- OSV: https://osv.dev/vulnerability/CVE-2021-47777

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-47777/
Summaries are generated and may contain mistakes; the official description above is the record.