Security readout for executives and security teams
Plain-English summary
This CVE describes a malicious npm package, `mssql.js`, published to hijack environment variables. It was not a normal software flaw; it was a supply-chain package intended to steal or misuse runtime configuration data. npm has unpublished it, but older projects, lockfiles, or internal mirrors may still contain it.
Executive priority
Treat as a targeted supply-chain cleanup and secrets-risk issue. Priority is highest for systems that executed this package in CI, production, or deployment contexts with credentials in environment variables.
Technical view
CVE-2017-16056 maps to CWE-506 for embedded malicious code. The affected artifact is the `mssql.js` Node module, all versions. The public bundle does not provide CVSS scoring, detailed behavior, patch versions, or proof of active exploitation. The relevant risk is historical installation and execution in Node.js, CI, or deployment environments.
Likely exposure
Exposure is most likely in Node.js projects that installed `mssql.js` directly or retained it in old lockfiles, artifacts, internal registries, or deployment images. Do not assume the similarly named `mssql` package is affected without separate evidence.
Exploitation context
The source says the module was malicious and intended to hijack environment variables. KEV is false, and the provided sources do not document active exploitation campaigns, victim counts, or exploit mechanics. Risk depends on whether the package executed in environments containing sensitive variables.
Researcher notes
The record is sparse: no CVSS, no technical payload details, and no named remediation beyond npm unpublishing. Validate exact package identity and installation history before expanding scope. Avoid conflating this with unrelated SQL Server client packages.
Mitigation direction
- Remove `mssql.js` from dependencies, lockfiles, images, and internal package mirrors.
- Check vendor or registry guidance before selecting any replacement package.
- Rotate secrets exposed in environments where the package may have executed.
- Review CI, build, and runtime environments for historical package use.
- Block future installation of `mssql.js` in dependency policy tooling.
Validation and detection
- Search dependency manifests and lockfiles for exact package name `mssql.js`.
- Review SCA results for CVE-2017-16056 or CWE-506 findings.
- Check internal npm proxies or artifact stores for cached copies.
- Identify systems where the package ran with environment variables present.
- Confirm secret rotation for affected build, CI, and runtime scopes.
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-506: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCVE-2017-16056 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://nodesecurity.io/advisories/485CVE reference · x_refsource_MISC
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.