Security readout for executives and security teams
Plain-English summary
CVE-2021-4276 is a reported SQL injection in dns-stats hedgehog, an unsupported product. The business risk is mainly for organizations still running older hedgehog code. The record itself says exploitability is doubtful and likely requires compromise or authorized access to the Data Manager server.
Executive priority
Treat this as a targeted remediation item, not an emergency. Prioritize confirming whether unsupported hedgehog is present, then patch, isolate, or retire it. Urgency rises if Data Manager access is broad or internet-facing.
Technical view
The reported issue affects DSCIOManager::dsc_import_input_from_source in src/DSCIOManager.cpp before commit 58922c345d3d1fe89bb2020111873a3e07ca93ac. It is classified as CWE-89 with CVSS 3.1 score 4.1, requiring high privileges and high attack complexity. The CVE notes doubt about real-world exploitability.
Likely exposure
Exposure appears limited to organizations running unsupported dns-stats hedgehog versions before the named patch, especially where Data Manager access is available to untrusted or compromised users.
Exploitation context
The source bundle says a public exploit was disclosed and may be used, but KEV is false and no active exploitation is cited. The CVE also states the vulnerability’s real existence is doubted and assumes Data Manager access is restricted to authorized users.
Researcher notes
The record contains unusual caveats: unsupported status, doubted existence, and an assumption that Data Manager access is authorized-only. Validate exposure carefully before escalating. Do not infer affected products beyond dns-stats hedgehog before the named commit.
Mitigation direction
- Apply commit 58922c345d3d1fe89bb2020111873a3e07ca93ac if hedgehog is still in use.
- Retire or replace unsupported hedgehog deployments where feasible.
- Restrict Data Manager server access to trusted administrators and trusted networks.
- Review vendor, project, or fork guidance before relying on unsupported code.
- Monitor database and import activity for unexpected behavior.
Validation and detection
- Inventory hedgehog deployments and identify versions or commit revisions.
- Confirm whether commit 58922c345d3d1fe89bb2020111873a3e07ca93ac is present.
- Verify Data Manager is not exposed to untrusted users or networks.
- Review access logs for unexpected Data Manager authentication or import activity.
- Document compensating controls if the unsupported product cannot be retired.
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-2021-4276 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
- 4.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
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:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L0.73.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.1MediumVector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.216746CVE reference
- https://github.com/dns-stats/hedgehog/pull/190CVE reference
- https://github.com/dns-stats/hedgehog/commit/58922c345d3d1fe89bb2020111873a3e07ca93acCVE reference
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.