Security readout for executives and security teams
Plain-English summary
Blitar Tourism 1.0 / satndy Aplikasi-Biro-Travel has a login flaw where crafted input in the username field can bypass authentication. Successful abuse may give unauthorized administrative access. Treat exposed deployments as urgent because the issue is unauthenticated, network-reachable, and publicly documented.
Executive priority
High priority for any confirmed deployment, especially internet-facing instances. The business concern is unauthorized administrative access to a travel/tourism web application. If the product is not in use, document non-exposure and monitor only for accidental deployments.
Technical view
CVE-2021-47848 is a CWE-89 SQL injection in the username parameter of the login flow for Aplikasi-Biro-Travel 1.0. The CVSS 4.0 score is 8.8. The described impact is authentication bypass leading to administrative access, with high confidentiality impact and low integrity impact.
Likely exposure
Exposure is limited to organizations running satndy Aplikasi-Biro-Travel / Blitar Tourism version 1.0. Risk is highest if the application is internet-facing or accessible to untrusted users. The sources do not identify other affected versions or products.
Exploitation context
A public ExploitDB entry is referenced, so exploit details are publicly available. The source bundle does not show CISA KEV listing or other evidence of active exploitation. Attack requirements are favorable to attackers: network access, no authentication, low complexity, and no user interaction.
Researcher notes
The record names satndy Aplikasi-Biro-Travel 1.0 and describes Blitar Tourism 1.0. Sources do not provide a named patch, fixed version, or vendor advisory beyond the repository reference. Avoid assuming broader product impact without confirming the codebase and version.
Mitigation direction
- Check the vendor repository and VulnCheck advisory for current remediation guidance.
- If no supported fix exists, remove, replace, or isolate the application.
- Restrict access to trusted networks until remediation is complete.
- Review login code for SQL injection-safe handling before continued use.
- Monitor administrative account activity for unexplained logins or changes.
Validation and detection
- Inventory systems for Aplikasi-Biro-Travel or Blitar Tourism 1.0 deployments.
- Confirm whether login functionality is reachable from the internet or untrusted networks.
- Review application code for unsafe SQL handling of the username field.
- Check web and application logs for suspicious failed or unexpected admin logins.
- Do not test public exploit material against production systems.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-47848 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (4.0)
- Known Exploited
- No
- Published
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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.8HighVector: 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
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49759CVE reference · exploit
- Aplikasi Biro Travel GitHub RepositoryCVE reference · product
- VulnCheck Advisory: Blitar Tourism 1.0 - Authentication Bypass SQLiCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.