Security readout for executives and security teams
Plain-English summary
CVE-2020-28269 affects the npm package `field` in versions 0.0.1 through 1.0.1. It is a prototype pollution issue that can cause denial of service and may lead to remote code execution. Business urgency depends on whether this package processes attacker-controlled data in your applications.
Executive priority
Treat this as high priority when vulnerable `field` versions are present in production server-side applications, especially internet-facing systems. If the package is unused, test-only, or unreachable from untrusted input, urgency is lower but cleanup is still advisable.
Technical view
The issue is reported as prototype pollution in `field`, with affected versions explicitly listed as 0.0.1, 0.1.0, 1.0.0, and 1.0.1. The public record does not provide CVSS, CWE, exploitation details, or a named fixed version in the supplied sources.
Likely exposure
Exposure is most likely in Node.js applications or transitive dependency chains that include vulnerable `field` versions and pass untrusted input into affected code paths.
Exploitation context
The supplied sources do not show active exploitation, and the CVE is not listed as KEV. The impact statement includes denial of service and possible remote code execution, but exploitability depends on application usage and input reachability.
Researcher notes
The record is sparse: no CVSS vector, CWE mapping, fixed version, PoC status, or KEV listing is present in the supplied bundle. Analysis should focus on dependency presence, call-path reachability, and whether polluted object properties can affect security decisions or process stability.
Mitigation direction
- Inventory direct and transitive use of `field` in Node.js projects.
- Check vendor or package maintainer guidance for a fixed or replacement version.
- Remove or replace `field` where no maintained fix is available.
- Restrict untrusted input from reaching vulnerable parsing or assignment paths.
- Prioritize internet-facing services and privileged server-side runtimes first.
Validation and detection
- Search dependency lockfiles for `field` versions 0.0.1 through 1.0.1.
- Confirm whether vulnerable versions are loaded in production builds.
- Trace whether attacker-controlled data reaches `field` processing paths.
- Review runtime crash, pollution, or unexpected object-property behavior around affected services.
- Document findings where the package is transitive but unreachable.
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-2020-28269 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://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28269CVE reference · x_refsource_MISC
- https://github.com/jprichardson/field/blob/2a3811dfc4cdd13833977477d2533534fc61ce06/lib/field.js#L39CVE 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.