Security readout for executives and security teams
Plain-English summary
OpenBMCS 2.4 has an authenticated SQL injection flaw in a debug test page. A logged-in attacker could manipulate database queries and potentially read or alter sensitive building management data. Public exploit information exists, but the provided sources do not show confirmed active exploitation.
Executive priority
Treat this as high priority if OpenBMCS 2.4 is deployed, especially if reachable beyond a tightly controlled admin network. Public exploit information raises urgency, but remediation should follow vendor guidance because the provided sources do not name a specific patch.
Technical view
CVE-2021-47704 is CWE-89 SQL injection in OpenBMCS 2.4 at /debug/obix_test.php through the GET parameter id. The CVSS v4 score is 8.7. Attack complexity is low, privileges are required, and user interaction is not required. Reported impacts include high confidentiality and integrity impact, with low availability impact.
Likely exposure
Exposure is limited to organizations running OpenBMCS 2.4 with the vulnerable debug endpoint reachable by authenticated users. Internet-facing or broadly accessible OpenBMCS portals increase risk. The source bundle lists default status as unaffected outside the specified affected version.
Exploitation context
ExploitDB and third-party advisories are referenced, indicating public technical details exist. However, the provided KEV status is false, and no cited source in the bundle confirms active exploitation in the wild.
Researcher notes
Do not assume broader product impact beyond OpenBMCS 2.4 from the supplied data. The vulnerability requires authentication and targets a debug endpoint. Evidence supports public exploit availability, not confirmed active exploitation. Patch status is not established in the provided bundle.
Mitigation direction
- Identify any OpenBMCS 2.4 deployments and owners.
- Check OpenBMCS vendor guidance for patches, upgrades, or supported workarounds.
- Restrict access to OpenBMCS and debug paths to trusted administrative networks.
- Remove or disable the debug test endpoint if operationally safe.
- Review database and application logs for suspicious authenticated access.
Validation and detection
- Confirm installed OpenBMCS version and whether it is 2.4.
- Check whether /debug/obix_test.php is present and reachable.
- Verify authentication is required for access to the OpenBMCS application.
- Review logs for unusual requests to obix_test.php with id parameters.
- Confirm compensating access controls limit exposure to trusted users.
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-2021-47704 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
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/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:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-50668CVE reference · exploit
- Official Product HomepageCVE reference · product
- Zero Science Lab Disclosure (ZSL-2022-5692)CVE reference · third-party-advisory
- VulnCheck Advisory: OpenBMCS SQL Injection via obix_test.phpCVE 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.