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CVE Record

CVE-2020-7716: Prototype Pollution

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

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2020-7716 is a critical prototype pollution flaw in the JavaScript package deeps. If an application uses the package's set function with attacker-controlled input, attackers may be able to alter object behavior and impact confidentiality, integrity, or availability.

Executive priority

Treat this as high urgency where deeps is present in internet-facing or data-processing services. The risk is severe, but business priority depends on whether the vulnerable function is reachable with untrusted input.

Technical view

The source bundle states all versions of deeps are vulnerable to prototype pollution through the set function. The CVSS 3.1 score is 9.8 with network attack vector, low complexity, no privileges, and no user interaction required. Public sources do not provide safe version details here.

Likely exposure

Exposure is most likely in Node.js or JavaScript applications that include deeps directly or transitively and process untrusted keys, paths, or values through its set function. The bundle does not provide CPEs or a detailed affected version range beyond all versions.

Exploitation context

CISA KEV status is false in the source bundle, so active exploitation is not established here. The CVSS vector includes proof-of-concept exploit maturity, but no cited source in the bundle confirms real-world exploitation or provides operational exploit details.

Researcher notes

The source bundle is sparse: no CWE, no CPEs, and no fixed version details are included. The key validation question is reachability of deeps set from untrusted input. Do not assume active exploitation without additional evidence.

Mitigation direction

  • Inventory direct and transitive use of the deeps package.
  • Check Snyk and package maintainer guidance for fixed or replacement options.
  • Remove or replace deeps if no safe maintained version is available.
  • Avoid passing untrusted object paths or values into deeps set.
  • Add dependency scanning to block vulnerable deeps versions.

Validation and detection

  • Search package manifests and lockfiles for deeps.
  • Identify whether deeps is direct or transitive.
  • Trace application code paths that call the set function.
  • Confirm whether any call handles user-controlled input.
  • Verify dependency scanner results against CVE-2020-7716.
Prepared
Confidence
medium
Sources
3

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-2020-7716 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-2020-7716Attack 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/adeeps0Listed
Weakness

CWE details

No CWE listed

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