CVE-2021-3757: immer_project immer Prototype Pollution

Vulnerability summary

CVE-2021-3757 is a critical (CVSS 9.8) Prototype Pollution vulnerability in immer_project immer. EPSS estimates a 1.65% chance of exploitation in the next 30 days, higher than 76.3% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 02-09-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

immer is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

• CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.