Security readout for executives and security teams
Plain-English summary
CVE-2021-29300 affects the @ronomon/opened npm library before 1.5.2. If an application passes attacker-controlled input into this library, a remote attacker could execute operating system commands on the server. Business urgency depends on whether the dependency is present and reachable from untrusted input.
Executive priority
Prioritize assessment where Node.js services process external input and use this package. Treat confirmed reachable use as urgent because the described impact is server command execution, even though public exploitation evidence is not supplied.
Technical view
The supplied sources describe a command injection issue in @ronomon/opened before 1.5.2. The vulnerable condition is use of the library with untrusted input. No CVSS score, CWE mapping, or affected CPEs are provided in the bundle, so exposure must be confirmed through dependency and code-path review.
Likely exposure
Exposure is likely limited to Node.js applications that include @ronomon/opened before 1.5.2 and pass user-controlled values to it. Systems without this dependency, or using it only with trusted static input, are less likely to be exposed.
Exploitation context
The bundle does not report CISA KEV inclusion and provides no cited evidence of active exploitation. The practical risk is still serious because the stated impact is command execution when untrusted input reaches the vulnerable library.
Researcher notes
The public bundle is sparse: no CVSS vector, CWE, CPEs, or exploit details are included. The strongest facts are the affected package/version boundary, command injection class, remote attacker condition, and reference to the fixing commit/advisory.
Mitigation direction
- Upgrade @ronomon/opened to version 1.5.2 or later.
- Review vendor and package advisory guidance for any additional constraints.
- Remove untrusted input from calls into the library.
- Add input validation around any remaining caller-controlled values.
- Rebuild and redeploy affected Node.js applications.
Validation and detection
- Search package manifests and lockfiles for @ronomon/opened versions before 1.5.2.
- Trace application code paths that pass external input into the library.
- Confirm deployed artifacts use the remediated dependency version.
- Run dependency scanning against production-equivalent builds.
- Document whether any reachable untrusted-input path exists.
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.
Execution 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-2021-29300 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://github.com/ronomon/opened/commit/7effe011d4fea8fac7f78c00615e0a6e69af68ecCVE reference · x_refsource_CONFIRM
- https://advisory.checkmarx.net/advisory/CX-2021-4775CVE 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.