Prototype Pollution in Dynamoose
CVE-2021-21304
Dynamoose is an open-source modeling tool for Amazon's DynamoDB. In Dynamoose from version 2.0.0 and before version 2.7.0 there was a prototype pollution vulnerability in the internal utility method "lib/utils/object/set.ts". This method is used throughout the codebase for various operations throughout Dynamoose. We have not seen any evidence of this vulnerability being exploited. There is no evidence this vulnerability impacts versions 1.x.x since the vulnerable method was added as part of the v2 rewrite. This vulnerability also impacts v2.x.x beta/alpha versions. Version 2.7.0 includes a patch for this vulnerability.
Vulnerability class: Mass Assignment
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.019 (78.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Dynamoose — versions >= 2.0.0, < 2.7.0
- Dynamoosejs Dynamoose
Weakness classification (CWE)
References
- github.com/dynamoose/dynamoose/security/advisories/GHSA-rrqm-p222-8ph2 (Patch, Third Party Advisory)
- github.com/dynamoose/dynamoose/commit/324c62b4709204955931a187362f8999805b1d8e (Patch, Third Party Advisory)
- github.com/dynamoose/dynamoose/releases/tag/v2.7.0 (Third Party Advisory, Release Notes)
- www.npmjs.com/package/dynamoose (Product, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21304?
- CVE-2021-21304 is a high-severity vulnerability in Dynamoose, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 7.2/10. Published 2021-02-08.
- How severe is CVE-2021-21304?
- High severity. CVSS v3 base score is 7.2 out of 10.