Vulnerability Details : CVE-2021-20327

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
Published 2021-02-25 17:15:28
Updated 2024-09-16 20:15:37
Source MongoDB, Inc.
View at NVD,   CVE.org

Products affected by CVE-2021-20327

Exploit prediction scoring system (EPSS) score for CVE-2021-20327

EPSS FAQ
0.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-20327

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM AV:A/AC:M/Au:N/C:P/I:P/A:N
5.5
4.9
 NIST
6.4
 MEDIUM CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
1.2
5.2
 MongoDB, Inc.
6.8
 MEDIUM CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
1.6
5.2
 NIST

CWE ids for CVE-2021-20327

References for CVE-2021-20327

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