Security readout for executives and security teams
Plain-English summary
mystem-wrapper downloads binary resources over plain HTTP. A network-positioned attacker could replace the downloaded binary with a malicious one, potentially causing code execution during installation or use. The source bundle does not identify active exploitation, a CVSS score, or a vendor patch.
Executive priority
Treat this as a targeted supply-chain risk rather than an internet-exposed emergency. Prioritize environments that build or install legacy Node.js dependencies, especially where network interception is plausible.
Technical view
This is a CWE-311 issue: binary resources are fetched without transport encryption. All versions of the mystem-wrapper node module are listed as affected. Exposure depends on use of the package and whether HTTP download traffic can be intercepted between the environment and the remote server.
Likely exposure
Organizations are mainly exposed if their Node.js projects include mystem-wrapper or legacy dependency trees that install it. Build systems, developer workstations, and CI runners are the most relevant environments.
Exploitation context
The cited description says exploitation may be possible through a MITM position that swaps the requested resource. KEV is false, and the source bundle provides no evidence of active exploitation in the wild.
Researcher notes
The public record is sparse: no CVSS vector, no named fixed version, and no confirmed exploitation. The core technical concern is unencrypted binary retrieval enabling replacement by a network-positioned attacker.
Mitigation direction
- Inventory Node.js projects for mystem-wrapper dependency usage.
- Remove or replace mystem-wrapper where business use is not required.
- Check the package maintainer or advisory source for current guidance.
- Install dependencies only from trusted networks and controlled build environments.
- Review CI and developer environments for historical installs of the package.
Validation and detection
- Search package manifests and lockfiles for mystem-wrapper.
- Confirm whether the package is installed directly or transitively.
- Identify where dependency installation or binary download occurs.
- Review build logs for mystem-wrapper install activity.
- Document whether HTTP binary downloads are still reachable in your environment.
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-2016-10671 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/280CVE 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.