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CVE Record

CVE-2020-7724: Prototype Pollution

All versions of package tiny-conf are vulnerable to Prototype Pollution via the set function.

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's Takecritical

Analyst readout for executives and security teams

Plain-English summary

CVE-2020-7724 affects the npm package tiny-conf. Sources say all versions are vulnerable to prototype pollution through its set function. In business terms, software using this package may allow unsafe configuration updates that can corrupt shared JavaScript object behavior, potentially affecting confidentiality, integrity, and availability.

Executive priority

High priority for any internet-facing or externally configurable service using tiny-conf. The severity is critical, but urgency depends on confirmed dependency presence and whether untrusted input reaches the vulnerable set function.

Technical view

The vulnerability is prototype pollution in tiny-conf via the set function. The CVSS 3.1 score is 9.8, network-accessible with low complexity and no required privileges or user interaction. The bundle does not provide a patch version, workaround, exploit details, or affected CPEs.

Likely exposure

Exposure is most likely in JavaScript or Node.js applications that include tiny-conf and call its set function, especially where configuration paths or values can be influenced by external input. The source bundle does not identify specific downstream products.

Exploitation context

The CVE is not listed as KEV, and the provided sources do not state active exploitation. CVSS marks exploit maturity as proof-of-concept, but the bundle does not include exploitation details. Treat exploit status as limited evidence, not confirmed active abuse.

Researcher notes

Evidence is narrow: the bundle identifies tiny-conf, all versions, and the set-function prototype pollution issue. It does not name a fixed release, affected applications, KEV exploitation, or operational mitigations. Validate dependency reachability before treating every installation as exploitable.

Mitigation direction

  • Inventory applications and lockfiles for tiny-conf usage.
  • Check CVE and Snyk guidance for any maintained fix or safe replacement.
  • Plan removal or replacement because sources mark all versions vulnerable.
  • Restrict features that pass externally influenced data into tiny-conf configuration updates.

Validation and detection

  • Confirm whether tiny-conf appears in direct or transitive dependencies.
  • Review code paths that call the tiny-conf set function.
  • Identify whether untrusted input can influence configuration keys or values.
  • Prioritize testing around configuration mutation and object property handling.
Prepared
Confidence
medium
Sources
3

Based on public source material and reviewed before publication.

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-2020-7724 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:U/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:U/RC:C3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2020-7724Attack 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:U/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/atiny-conf0Listed
Weakness

CWE details

No CWE listed

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