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CVE Record

CVE-2020-7714: Prototype Pollution

All versions of package confucious are vulnerable to Prototype Pollution via the set function.

CriticalCVSS 9.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2020-7714 affects the confucious package. Its set function can allow prototype pollution, a JavaScript flaw that may let attacker-controlled data alter shared object behavior. The published CVSS score is 9.8, so treat use of this package in exposed applications as high urgency.

Executive priority

Treat this as urgent for any application using confucious in exposed request-handling or configuration flows. Critical CVSS reflects severe potential impact, but actual business priority depends on whether the package is present and reachable.

Technical view

All listed versions of confucious are reported vulnerable to prototype pollution through the set function. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating unauthenticated network-triggerable impact to confidentiality, integrity, and availability.

Likely exposure

Exposure is likely where JavaScript or Node.js applications include confucious and process untrusted input through configuration or object-setting paths. The source bundle does not identify specific downstream products, deployment patterns, or patched versions.

Exploitation context

The bundle does not show CISA KEV listing or evidence of active exploitation. The CVSS temporal metric includes E:P, suggesting proof-of-concept maturity, but no exploit details should be assumed beyond the cited records.

Researcher notes

Evidence is limited to the CVE record and Snyk reference. Do not broaden affected scope beyond confucious. Validate reachability and dependency paths before declaring exploitable exposure. No active exploitation is established in the supplied sources.

Mitigation direction

  • Inventory applications and lockfiles for confucious dependency usage.
  • Check Snyk and upstream package guidance for a safe version or replacement.
  • Remove or replace confucious where no maintained fix is available.
  • Restrict untrusted input from reaching object-setting or configuration paths.
  • Prioritize internet-facing services and privileged backend workflows first.

Validation and detection

  • Confirm whether confucious appears in direct or transitive dependency inventories.
  • Map code paths that call the vulnerable set function with external input.
  • Run dependency scanning against production build manifests and lockfiles.
  • Review deployed artifacts, not only source repositories, for bundled dependency copies.
  • Document whether mitigation is upgrade, removal, replacement, or compensating control.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2020-7714 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2020-7714Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aconfucious0Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.