CVE-2024-21505
web3-utils Prototype Pollution vulnerability
7.5
HIGH
CVSS 3.1
EPSS 0.14%
Description
### Impact: The mergeDeep() function in the web3-utils package has been identified for Prototype Pollution vulnerability. An attacker has the ability to modify an object's prototype, which could result in changing the behavior of all objects that inherit from the impacted prototype by providing carefully crafted input to function. ### Patches: It has been fixed in web3-utils version 4.2.1 so all packages and apps depending on web3-utils >=4.0.1 and <=4.2.0 should upgrade to web3-utils 4.2.1. ### Workarounds: None
How to fix CVE-2024-21505
To remediate CVE-2024-21505, upgrade the affected package to a fixed version below.
- —upgrade to 4.2.1 or later
Is CVE-2024-21505 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 4.0.1, < 4.2.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |