Security readout for executives and security teams
Plain-English summary
CVE-2021-47714 affects Hasura GraphQL 1.3.3. It is described as SQL injection in the query endpoint that can let an attacker read local server files. The main business risk is unauthorized disclosure of sensitive files, not system takeover based on the provided record.
Executive priority
Treat as a moderate-priority confidentiality issue. Escalate if Hasura GraphQL 1.3.3 is externally reachable or used near sensitive files, secrets, or production databases.
Technical view
The vulnerability is mapped to CWE-89. Sources describe abuse of PostgreSQL pg_read_file() through crafted SQL queries against Hasura GraphQL 1.3.3. The provided CVSS v4 score is 6.9, with high confidentiality impact and no stated integrity or availability impact.
Likely exposure
Exposure is limited to deployments running Hasura GraphQL 1.3.3. Risk is higher where the affected query endpoint is reachable by untrusted users or protects sensitive server-side files.
Exploitation context
A public ExploitDB reference is listed, so proof-of-concept material appears public. The source bundle does not show CISA KEV listing or other evidence of active exploitation in the wild.
Researcher notes
Evidence is limited to the CVE record, VulnCheck advisory, ExploitDB reference, and Hasura repository. No specific vendor patch version is named in the provided bundle, so remediation should be confirmed from Hasura guidance.
Mitigation direction
- Identify any Hasura GraphQL 1.3.3 deployments.
- Check Hasura vendor guidance for fixed versions or recommended configuration changes.
- Restrict untrusted access to affected query endpoints where possible.
- Prioritize systems handling sensitive data or exposed beyond trusted networks.
Validation and detection
- Confirm the running Hasura GraphQL version.
- Review whether the query endpoint is reachable by untrusted users.
- Check logs for unusual query endpoint activity or file-read related errors.
- Verify remediation against current Hasura guidance before closing.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
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 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-2021-47714 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
- Medium
- CVSS
- 6.9 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/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:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
6.9MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49790CVE reference · exploit
- Hasura GraphQL Engine GitHub RepositoryCVE reference · product
- VulnCheck Advisory: Hasura GraphQL 1.3.3 Local File Read via SQL InjectionCVE 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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.