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cvelistMongodbCVELIST:CVE-2021-20327
HistoryFeb 25, 2021 - 12:00 a.m.

CVE-2021-20327 MongoDB Node.js client side field level encryption library may not be validating KMS certificate

2021-02-2500:00:00
CWE-295
mongodb
www.cve.org

6.4 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

6.7 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.1%

A specific version of the Node.js mongodb-client-encryption module does not perform correct validation of the KMS server’s certificate. This vulnerability in combination with a privileged network position active MITM attack could result in interception of traffic between the Node.js driver and the KMS service rendering client-side field level encryption (CSFLE) ineffective. This issue was discovered during internal testing and affects mongodb-client-encryption module version 1.2.0, which was available from 2021-Jan-29 and deprecated in the NPM Registry on 2021-Feb-04. This vulnerability does not impact driver traffic payloads with CSFLE-supported key services from applications residing inside the AWS, GCP, and Azure nework fabrics due to compensating controls in these environments. This issue does not impact driver workloads that don’t use Field Level Encryption. This issue affect MongoDB Node.js Driver mongodb-client-encryption module version 1.2.0

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "MongoDB Node.js Driver mongodb-client-encryption module",
    "vendor": "MongoDB Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "1.2.0"
      }
    ]
  }
]

6.4 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

6.7 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.1%

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