CVE-2021-23568 describes a critical Prototype Pollution vulnerability in the extend2 package (versions prior to 1.0.1), impacting products like eggjs. This flaw, stemming from an unsafe recursive merge in the extend function, allows for unauthenticated remote attackers to achieve high impact on confidentiality, integrity, and availability. Despite its critical CVSS score of 9.8, there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.1CPE matchmatch criteria | cpe:2.3:a:eggjs:extend2:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.