Home/CVE/Prototype Pollution in GitHub repository automattic/mongoose prior to 7.3.4.
CVE

CVE-2023-3696

Prototype Pollution in GitHub repository automattic/mongoose prior to 7.3.4.

Prototype Pollution in GitHub repository automattic/mongoose prior to 7.3.4.

CRITICAL · CVSS 9.8 EPSS 0.00465
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
▤

Affected Products & Versions

3
mongoosejs mongoose< 5.13.20
mongoosejs mongoose>= 6.0.0 and < 6.11.3
mongoosejs mongoose>= 7.0.0 and < 7.3.4
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm mongoose CRITICAL fixed in 7.3.3
⚠

Public Exploits & PoCs

1
pochuntr.dev · 1eef5a72-f6ab-4f61-b31d-fc66f5b4b467huntr.dev
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security@huntr.dev
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Jul 2023 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/automattic/mongoose/commit/305ce4ff789261df7e3f6e72363d0703e025f80dPatch
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