Security readout for executives and security teams
Plain-English summary
ITRS Group monitor-ninja versions 2021.11.0 and 2021.11.1 contain a SQL injection issue in scheduled reports code. An attacker with required access could affect database confidentiality, integrity, and availability. The sources identify version 2021.11.30 and patch 6da9080faec9bca1ca5342386c0421dca0a6c0cc as the fix.
Executive priority
Treat as a timely remediation item for any monitor-ninja deployment on affected versions. It is not supported as actively exploited by the provided sources, but SQL injection in monitoring software can affect sensitive operational data.
Technical view
CVE-2021-4336 is a CWE-89 SQL injection in modules/reports/models/scheduled_reports.php. The CVSS 3.1 vector is AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L, score 5.5. Sources do not describe the exact parameter or vulnerable path, so validation should avoid exploit reproduction and focus on version, patch, and access review.
Likely exposure
Exposure appears limited to organizations running monitor-ninja 2021.11.0 or 2021.11.1 where a low-privileged adjacent-network user can access the affected scheduled reports functionality. The source bundle does not establish internet exposure or unauthenticated reachability.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. VulDB rates the issue critical, while the supplied CVSS score is medium due to adjacent-network access and low privileges being required.
Researcher notes
The public description is sparse: affected file and vulnerability class are named, but vulnerable inputs and exploit prerequisites are not detailed. Use code-diff review against the referenced patch and non-invasive version checks to determine exposure.
Mitigation direction
- Upgrade monitor-ninja to version 2021.11.30 or later.
- Apply vendor patch 6da9080faec9bca1ca5342386c0421dca0a6c0cc if upgrading is not immediate.
- Restrict monitor-ninja access to trusted administrative networks and users.
- Review vendor guidance for any additional hardening or backported fixes.
Validation and detection
- Inventory monitor-ninja deployments and identify versions 2021.11.0 and 2021.11.1.
- Confirm the 2021.11.30 release or named patch is present.
- Review scheduled reports access permissions for unnecessary low-privileged access.
- Check database and application logs for unusual scheduled report activity.
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-2021-4336 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:L/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:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.13.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.230084CVE reference · vdb-entry, technical-description
- https://vuldb.com/?ctiid.230084CVE reference · signature, permissions-required
- https://github.com/ITRS-Group/monitor-ninja/commit/6da9080faec9bca1ca5342386c0421dca0a6c0ccCVE reference · patch
- https://github.com/ITRS-Group/monitor-ninja/releases/tag/v2021.11.30CVE reference · patch
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.