Security readout for executives and security teams
Plain-English summary
This is a supply-chain build risk. The affected poco node module downloads compilation resources over plain HTTP. A network-positioned attacker could replace those resources during installation or build, potentially leading to code execution in the build environment.
Executive priority
Treat this as a high-priority dependency hygiene issue for build pipelines. It is not listed as actively exploited in the supplied evidence, but the potential impact includes build-system compromise and downstream artifact contamination.
Technical view
CVE-2016-10659 describes the poco node module retrieving source file resources for compilation over HTTP. The weakness is classified as CWE-311. The supplied CVE text states MITM replacement could enable remote code execution if an attacker is on-path between the user and server.
Likely exposure
Exposure is likely limited to environments that install or build the affected poco node module. CI workers, developer machines, and build hosts on shared, hostile, or intercepted networks carry the most concern. The source bundle lists all versions as affected but does not identify a fixed version.
Exploitation context
The supplied sources do not show confirmed active exploitation, and KEV is false. Exploitation requires attacker positioning on the network path during the affected HTTP resource download. The main risk is compromise of build systems or generated artifacts, not a directly exposed public service.
Researcher notes
Evidence is sparse: the CVE record provides the core behavior, CWE, affected package, and MITM/RCE possibility, but no CVSS, patch version, or exploitation reports. Avoid asserting runtime exposure unless local package behavior confirms downloads occur outside installation or compilation.
Mitigation direction
- Check current vendor or package advisory guidance for a fixed or replacement package.
- Remove or replace the affected poco node module where feasible.
- Avoid fresh installs or builds on untrusted networks until remediated.
- Use approved dependency mirrors or cached artifacts where build reproducibility permits.
- Review CI network controls around plaintext dependency downloads.
Validation and detection
- Search dependency manifests, lockfiles, and SBOMs for the poco node module.
- Identify CI and developer build paths that compile or install the package.
- Review build or proxy logs for plaintext HTTP resource downloads.
- Confirm whether any current vendor guidance names a safe version or replacement.
- Assess whether build hosts operate on shared or interceptable networks.
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-311: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2016-10659 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/271CVE 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.
Missing Encryption of Sensitive Data
Missing Encryption of Sensitive Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.